/*!
 * jQuery UI 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI
 */

;(function($, undefined) {

// prevent duplicate loading
// this is only a problem because we proxy existing functions
// and we don't want to double proxy them
$.ui = $.ui || {};
if ($.ui.version) {
  return;
}

$.extend($.ui, {
  version: "1.8.11",

  keyCode: {
    ALT: 18,
    BACKSPACE: 8,
    CAPS_LOCK: 20,
    COMMA: 188,
    COMMAND: 91,
    COMMAND_LEFT: 91, // COMMAND
    COMMAND_RIGHT: 93,
    CONTROL: 17,
    DELETE: 46,
    DOWN: 40,
    END: 35,
    ENTER: 13,
    ESCAPE: 27,
    HOME: 36,
    INSERT: 45,
    LEFT: 37,
    MENU: 93, // COMMAND_RIGHT
    NUMPAD_ADD: 107,
    NUMPAD_DECIMAL: 110,
    NUMPAD_DIVIDE: 111,
    NUMPAD_ENTER: 108,
    NUMPAD_MULTIPLY: 106,
    NUMPAD_SUBTRACT: 109,
    PAGE_DOWN: 34,
    PAGE_UP: 33,
    PERIOD: 190,
    RIGHT: 39,
    SHIFT: 16,
    SPACE: 32,
    TAB: 9,
    UP: 38,
    WINDOWS: 91 // COMMAND
  }
});

// plugins
$.fn.extend({
  _focus: $.fn.focus,
  focus: function(delay, fn) {
    return typeof delay === "number" ?
      this.each(function() {
        var elem = this;
        setTimeout(function() {
          $(elem).focus();
          if (fn) {
            fn.call(elem);
          }
        }, delay);
      }) :
      this._focus.apply(this, arguments);
  },

  scrollParent: function() {
    var scrollParent;
    if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
      scrollParent = this.parents().filter(function() {
        return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
      }).eq(0);
    } else {
      scrollParent = this.parents().filter(function() {
        return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
      }).eq(0);
    }

    return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
  },

  zIndex: function(zIndex) {
    if (zIndex !== undefined) {
      return this.css("zIndex", zIndex);
    }

    if (this.length) {
      var elem = $(this[ 0 ]), position, value;
      while (elem.length && elem[ 0 ] !== document) {
        // Ignore z-index if position is set to a value where z-index is ignored by the browser
        // This makes behavior of this function consistent across browsers
        // WebKit always returns auto if the element is positioned
        position = elem.css("position");
        if (position === "absolute" || position === "relative" || position === "fixed") {
          // IE returns 0 when zIndex is not specified
          // other browsers return a string
          // we ignore the case of nested elements with an explicit value of 0
          // <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
          value = parseInt(elem.css("zIndex"), 10);
          if (!isNaN(value) && value !== 0) {
            return value;
          }
        }
        elem = elem.parent();
      }
    }

    return 0;
  },

  disableSelection: function() {
    return this.bind(($.support.selectstart ? "selectstart" : "mousedown") +
      ".ui-disableSelection", function(event) {
        event.preventDefault();
      });
  },

  enableSelection: function() {
    return this.unbind(".ui-disableSelection");
  }
});

$.each([ "Width", "Height" ], function(i, name) {
  var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
    type = name.toLowerCase(),
    orig = {
      innerWidth: $.fn.innerWidth,
      innerHeight: $.fn.innerHeight,
      outerWidth: $.fn.outerWidth,
      outerHeight: $.fn.outerHeight
    };

  function reduce(elem, size, border, margin) {
    $.each(side, function() {
      size -= parseFloat($.curCSS(elem, "padding" + this, true)) || 0;
      if (border) {
        size -= parseFloat($.curCSS(elem, "border" + this + "Width", true)) || 0;
      }
      if (margin) {
        size -= parseFloat($.curCSS(elem, "margin" + this, true)) || 0;
      }
    });
    return size;
  }

  $.fn[ "inner" + name ] = function(size) {
    if (size === undefined) {
      return orig[ "inner" + name ].call(this);
    }

    return this.each(function() {
      $(this).css(type, reduce(this, size) + "px");
    });
  };

  $.fn[ "outer" + name] = function(size, margin) {
    if (typeof size !== "number") {
      return orig[ "outer" + name ].call(this, size);
    }

    return this.each(function() {
      $(this).css(type, reduce(this, size, true, margin) + "px");
    });
  };
});

// selectors
function visible(element) {
  return !$(element).parents().andSelf().filter(function() {
    return $.curCSS(this, "visibility") === "hidden" ||
      $.expr.filters.hidden(this);
  }).length;
}

$.extend($.expr[ ":" ], {
  data: function(elem, i, match) {
    return !!$.data(elem, match[ 3 ]);
  },

  focusable: function(element) {
    var nodeName = element.nodeName.toLowerCase(),
      tabIndex = $.attr(element, "tabindex");
    if ("area" === nodeName) {
      var map = element.parentNode,
        mapName = map.name,
        img;
      if (!element.href || !mapName || map.nodeName.toLowerCase() !== "map") {
        return false;
      }
      img = $("img[usemap=#" + mapName + "]")[0];
      return !!img && visible(img);
    }
    return (/input|select|textarea|button|object/.test(nodeName)
      ? !element.disabled
      : "a" == nodeName
        ? element.href || !isNaN(tabIndex)
        : !isNaN(tabIndex))
      // the element and all of its ancestors must be visible
      && visible(element);
  },

  tabbable: function(element) {
    var tabIndex = $.attr(element, "tabindex");
    return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(":focusable");
  }
});

// support
$(function() {
  var body = document.body,
    div = body.appendChild(div = document.createElement("div"));

  $.extend(div.style, {
    minHeight: "100px",
    height: "auto",
    padding: 0,
    borderWidth: 0
  });

  $.support.minHeight = div.offsetHeight === 100;
  $.support.selectstart = "onselectstart" in div;

  // set display to none to avoid a layout bug in IE
  // http://dev.jquery.com/ticket/4014
  body.removeChild(div).style.display = "none";
});





// deprecated
$.extend($.ui, {
  // $.ui.plugin is deprecated.  Use the proxy pattern instead.
  plugin: {
    add: function(module, option, set) {
      var proto = $.ui[ module ].prototype;
      for (var i in set) {
        proto.plugins[ i ] = proto.plugins[ i ] || [];
        proto.plugins[ i ].push([ option, set[ i ] ]);
      }
    },
    call: function(instance, name, args) {
      var set = instance.plugins[ name ];
      if (!set || !instance.element[ 0 ].parentNode) {
        return;
      }
  
      for (var i = 0; i < set.length; i++) {
        if (instance.options[ set[ i ][ 0 ] ]) {
          set[ i ][ 1 ].apply(instance.element, args);
        }
      }
    }
  },
  
  // will be deprecated when we switch to jQuery 1.4 - use jQuery.contains()
  contains: function(a, b) {
    return document.compareDocumentPosition ?
      a.compareDocumentPosition(b) & 16 :
      a !== b && a.contains(b);
  },
  
  // only used by resizable
  hasScroll: function(el, a) {
  
    //If overflow is hidden, the element might have extra content, but the user wants to hide it
    if ($(el).css("overflow") === "hidden") {
      return false;
    }
  
    var scroll = (a && a === "left") ? "scrollLeft" : "scrollTop",
      has = false;
  
    if (el[ scroll ] > 0) {
      return true;
    }
  
    // TODO: determine which cases actually cause this to happen
    // if the element doesn't have the scroll set, see if it's possible to
    // set the scroll
    el[ scroll ] = 1;
    has = (el[ scroll ] > 0);
    el[ scroll ] = 0;
    return has;
  },
  
  // these are odd functions, fix the API or move into individual plugins
  isOverAxis: function(x, reference, size) {
    //Determines when x coordinate is over "b" element axis
    return (x > reference) && (x < (reference + size));
  },
  isOver: function(y, x, top, left, height, width) {
    //Determines when x, y coordinates is over "b" element
    return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
  }
});

})(jQuery);
/*!
 * jQuery UI Widget 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Widget
 */
(function($, undefined) {

// jQuery 1.4+
if ($.cleanData) {
  var _cleanData = $.cleanData;
  $.cleanData = function(elems) {
    for (var i = 0, elem; (elem = elems[i]) != null; i++) {
      $(elem).triggerHandler("remove");
    }
    _cleanData(elems);
  };
} else {
  var _remove = $.fn.remove;
  $.fn.remove = function(selector, keepData) {
    return this.each(function() {
      if (!keepData) {
        if (!selector || $.filter(selector, [ this ]).length) {
          $("*", this).add([ this ]).each(function() {
            $(this).triggerHandler("remove");
          });
        }
      }
      return _remove.call($(this), selector, keepData);
    });
  };
}

$.widget = function(name, base, prototype) {
  var namespace = name.split(".")[ 0 ],
    fullName;
  name = name.split(".")[ 1 ];
  fullName = namespace + "-" + name;

  if (!prototype) {
    prototype = base;
    base = $.Widget;
  }

  // create selector for plugin
  $.expr[ ":" ][ fullName ] = function(elem) {
    return !!$.data(elem, name);
  };

  $[ namespace ] = $[ namespace ] || {};
  $[ namespace ][ name ] = function(options, element) {
    // allow instantiation without initializing for simple inheritance
    if (arguments.length) {
      this._createWidget(options, element);
    }
  };

  var basePrototype = new base();
  // we need to make the options hash a property directly on the new instance
  // otherwise we'll modify the options hash on the prototype that we're
  // inheriting from
//  $.each(basePrototype, function(key, val) {
//    if ($.isPlainObject(val)) {
//      basePrototype[ key ] = $.extend({}, val);
//    }
//  });
  basePrototype.options = $.extend(true, {}, basePrototype.options);
  $[ namespace ][ name ].prototype = $.extend(true, basePrototype, {
    namespace: namespace,
    widgetName: name,
    widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
    widgetBaseClass: fullName
  }, prototype);

  $.widget.bridge(name, $[ namespace ][ name ]);
};

$.widget.bridge = function(name, object) {
  $.fn[ name ] = function(options) {
    var isMethodCall = typeof options === "string",
      args = Array.prototype.slice.call(arguments, 1),
      returnValue = this;

    // allow multiple hashes to be passed on init
    options = !isMethodCall && args.length ?
      $.extend.apply(null, [ true, options ].concat(args)) :
      options;

    // prevent calls to internal methods
    if (isMethodCall && options.charAt(0) === "_") {
      return returnValue;
    }

    if (isMethodCall) {
      this.each(function() {
        var instance = $.data(this, name),
          methodValue = instance && $.isFunction(instance[options]) ?
            instance[ options ].apply(instance, args) :
            instance;
        // TODO: add this back in 1.9 and use $.error() (see #5972)
//        if (!instance) {
//          throw "cannot call methods on " + name + " prior to initialization; " +
//            "attempted to call method '" + options + "'";
//        }
//        if (!$.isFunction(instance[options])) {
//          throw "no such method '" + options + "' for " + name + " widget instance";
//        }
//        var methodValue = instance[ options ].apply(instance, args);
        if (methodValue !== instance && methodValue !== undefined) {
          returnValue = methodValue;
          return false;
        }
      });
    } else {
      this.each(function() {
        var instance = $.data(this, name);
        if (instance) {
          instance.option(options || {})._init();
        } else {
          $.data(this, name, new object(options, this));
        }
      });
    }

    return returnValue;
  };
};

$.Widget = function(options, element) {
  // allow instantiation without initializing for simple inheritance
  if (arguments.length) {
    this._createWidget(options, element);
  }
};

$.Widget.prototype = {
  widgetName: "widget",
  widgetEventPrefix: "",
  options: {
    disabled: false
  },
  _createWidget: function(options, element) {
    // $.widget.bridge stores the plugin instance, but we do it anyway
    // so that it's stored even before the _create function runs
    $.data(element, this.widgetName, this);
    this.element = $(element);
    this.options = $.extend(true, {},
      this.options,
      this._getCreateOptions(),
      options);

    var self = this;
    this.element.bind("remove." + this.widgetName, function() {
      self.destroy();
    });

    this._create();
    this._trigger("create");
    this._init();
  },
  _getCreateOptions: function() {
    return $.metadata && $.metadata.get(this.element[0])[ this.widgetName ];
  },
  _create: function() {},
  _init: function() {},

  destroy: function() {
    this.element
      .unbind("." + this.widgetName)
      .removeData(this.widgetName);
    this.widget()
      .unbind("." + this.widgetName)
      .removeAttr("aria-disabled")
      .removeClass(
        this.widgetBaseClass + "-disabled " +
        "ui-state-disabled");
  },

  widget: function() {
    return this.element;
  },

  option: function(key, value) {
    var options = key;

    if (arguments.length === 0) {
      // don't return a reference to the internal hash
      return $.extend({}, this.options);
    }

    if  (typeof key === "string") {
      if (value === undefined) {
        return this.options[ key ];
      }
      options = {};
      options[ key ] = value;
    }

    this._setOptions(options);

    return this;
  },
  _setOptions: function(options) {
    var self = this;
    $.each(options, function(key, value) {
      self._setOption(key, value);
    });

    return this;
  },
  _setOption: function(key, value) {
    this.options[ key ] = value;

    if (key === "disabled") {
      this.widget()
        [ value ? "addClass" : "removeClass"](
          this.widgetBaseClass + "-disabled" + " " +
          "ui-state-disabled")
        .attr("aria-disabled", value);
    }

    return this;
  },

  enable: function() {
    return this._setOption("disabled", false);
  },
  disable: function() {
    return this._setOption("disabled", true);
  },

  _trigger: function(type, event, data) {
    var callback = this.options[ type ];

    event = $.Event(event);
    event.type = (type === this.widgetEventPrefix ?
      type :
      this.widgetEventPrefix + type).toLowerCase();
    data = data || {};

    // copy original event properties over to the new event
    // this would happen if we could call $.event.fix instead of $.Event
    // but we don't have a way to force an event to be fixed multiple times
    if (event.originalEvent) {
      for (var i = $.event.props.length, prop; i;) {
        prop = $.event.props[ --i ];
        event[ prop ] = event.originalEvent[ prop ];
      }
    }

    this.element.trigger(event, data);

    return !($.isFunction(callback) &&
      callback.call(this.element[0], event, data) === false ||
      event.isDefaultPrevented());
  }
};

})(jQuery);
/*!
 * jQuery UI Mouse 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Mouse
 *
 * Depends:
 *  jquery.ui.widget.js
 */
(function($, undefined) {

$.widget("ui.mouse", {
  options: {
    cancel: ':input,option',
    distance: 1,
    delay: 0
  },
  _mouseInit: function() {
    var self = this;

    this.element
      .bind('mousedown.'+this.widgetName, function(event) {
        return self._mouseDown(event);
      })
      .bind('click.'+this.widgetName, function(event) {
        if (true === $.data(event.target, self.widgetName + '.preventClickEvent')) {
            $.removeData(event.target, self.widgetName + '.preventClickEvent');
          event.stopImmediatePropagation();
          return false;
        }
      });

    this.started = false;
  },

  // TODO: make sure destroying one instance of mouse doesn't mess with
  // other instances of mouse
  _mouseDestroy: function() {
    this.element.unbind('.'+this.widgetName);
  },

  _mouseDown: function(event) {
    // don't let more than one widget handle mouseStart
    // TODO: figure out why we have to use originalEvent
    event.originalEvent = event.originalEvent || {};
    if (event.originalEvent.mouseHandled) { return; }

    // we may have missed mouseup (out of window)
    (this._mouseStarted && this._mouseUp(event));

    this._mouseDownEvent = event;

    var self = this,
      btnIsLeft = (event.which == 1),
      elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
    if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
      return true;
    }

    this.mouseDelayMet = !this.options.delay;
    if (!this.mouseDelayMet) {
      this._mouseDelayTimer = setTimeout(function() {
        self.mouseDelayMet = true;
      }, this.options.delay);
    }

    if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
      this._mouseStarted = (this._mouseStart(event) !== false);
      if (!this._mouseStarted) {
        event.preventDefault();
        return true;
      }
    }

    // Click event may never have fired (Gecko & Opera)
    if (true === $.data(event.target, this.widgetName + '.preventClickEvent')) {
      $.removeData(event.target, this.widgetName + '.preventClickEvent');
    }

    // these delegates are required to keep context
    this._mouseMoveDelegate = function(event) {
      return self._mouseMove(event);
    };
    this._mouseUpDelegate = function(event) {
      return self._mouseUp(event);
    };
    $(document)
      .bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
      .bind('mouseup.'+this.widgetName, this._mouseUpDelegate);

    event.preventDefault();
    event.originalEvent.mouseHandled = true;
    return true;
  },

  _mouseMove: function(event) {
    // IE mouseup check - mouseup happened when mouse was out of window
    if ($.browser.msie && !(document.documentMode >= 9) && !event.button) {
      return this._mouseUp(event);
    }

    if (this._mouseStarted) {
      this._mouseDrag(event);
      return event.preventDefault();
    }

    if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
      this._mouseStarted =
        (this._mouseStart(this._mouseDownEvent, event) !== false);
      (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
    }

    return !this._mouseStarted;
  },

  _mouseUp: function(event) {
    $(document)
      .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
      .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);

    if (this._mouseStarted) {
      this._mouseStarted = false;

      if (event.target == this._mouseDownEvent.target) {
          $.data(event.target, this.widgetName + '.preventClickEvent', true);
      }

      this._mouseStop(event);
    }

    return false;
  },

  _mouseDistanceMet: function(event) {
    return (Math.max(
        Math.abs(this._mouseDownEvent.pageX - event.pageX),
        Math.abs(this._mouseDownEvent.pageY - event.pageY)
     ) >= this.options.distance
   );
  },

  _mouseDelayMet: function(event) {
    return this.mouseDelayMet;
  },

  // These are placeholder methods, to be overriden by extending plugin
  _mouseStart: function(event) {},
  _mouseDrag: function(event) {},
  _mouseStop: function(event) {},
  _mouseCapture: function(event) { return true; }
});

})(jQuery);
/*
 * jQuery UI Position 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Position
 */
(function($, undefined) {

$.ui = $.ui || {};

var horizontalPositions = /left|center|right/,
  verticalPositions = /top|center|bottom/,
  center = "center",
  _position = $.fn.position,
  _offset = $.fn.offset;

$.fn.position = function(options) {
  if (!options || !options.of) {
    return _position.apply(this, arguments);
  }

  // make a copy, we don't want to modify arguments
  options = $.extend({}, options);

  var target = $(options.of),
    targetElem = target[0],
    collision = (options.collision || "flip").split(" "),
    offset = options.offset ? options.offset.split(" ") : [ 0, 0 ],
    targetWidth,
    targetHeight,
    basePosition;

  if (targetElem.nodeType === 9) {
    targetWidth = target.width();
    targetHeight = target.height();
    basePosition = { top: 0, left: 0 };
  // TODO: use $.isWindow() in 1.9
  } else if (targetElem.setTimeout) {
    targetWidth = target.width();
    targetHeight = target.height();
    basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
  } else if (targetElem.preventDefault) {
    // force left top to allow flipping
    options.at = "left top";
    targetWidth = targetHeight = 0;
    basePosition = { top: options.of.pageY, left: options.of.pageX };
  } else {
    targetWidth = target.outerWidth();
    targetHeight = target.outerHeight();
    basePosition = target.offset();
  }

  // force my and at to have valid horizontal and veritcal positions
  // if a value is missing or invalid, it will be converted to center 
  $.each([ "my", "at" ], function() {
    var pos = (options[this] || "").split(" ");
    if (pos.length === 1) {
      pos = horizontalPositions.test(pos[0]) ?
        pos.concat([center]) :
        verticalPositions.test(pos[0]) ?
          [ center ].concat(pos) :
          [ center, center ];
    }
    pos[ 0 ] = horizontalPositions.test(pos[0]) ? pos[ 0 ] : center;
    pos[ 1 ] = verticalPositions.test(pos[1]) ? pos[ 1 ] : center;
    options[ this ] = pos;
  });

  // normalize collision option
  if (collision.length === 1) {
    collision[ 1 ] = collision[ 0 ];
  }

  // normalize offset option
  offset[ 0 ] = parseInt(offset[0], 10) || 0;
  if (offset.length === 1) {
    offset[ 1 ] = offset[ 0 ];
  }
  offset[ 1 ] = parseInt(offset[1], 10) || 0;

  if (options.at[0] === "right") {
    basePosition.left += targetWidth;
  } else if (options.at[0] === center) {
    basePosition.left += targetWidth / 2;
  }

  if (options.at[1] === "bottom") {
    basePosition.top += targetHeight;
  } else if (options.at[1] === center) {
    basePosition.top += targetHeight / 2;
  }

  basePosition.left += offset[ 0 ];
  basePosition.top += offset[ 1 ];

  return this.each(function() {
    var elem = $(this),
      elemWidth = elem.outerWidth(),
      elemHeight = elem.outerHeight(),
      marginLeft = parseInt($.curCSS(this, "marginLeft", true)) || 0,
      marginTop = parseInt($.curCSS(this, "marginTop", true)) || 0,
      collisionWidth = elemWidth + marginLeft +
        (parseInt($.curCSS(this, "marginRight", true)) || 0),
      collisionHeight = elemHeight + marginTop +
        (parseInt($.curCSS(this, "marginBottom", true)) || 0),
      position = $.extend({}, basePosition),
      collisionPosition;

    if (options.my[0] === "right") {
      position.left -= elemWidth;
    } else if (options.my[0] === center) {
      position.left -= elemWidth / 2;
    }

    if (options.my[1] === "bottom") {
      position.top -= elemHeight;
    } else if (options.my[1] === center) {
      position.top -= elemHeight / 2;
    }

    // prevent fractions (see #5280)
    position.left = Math.round(position.left);
    position.top = Math.round(position.top);

    collisionPosition = {
      left: position.left - marginLeft,
      top: position.top - marginTop
    };

    $.each([ "left", "top" ], function(i, dir) {
      if ($.ui.position[ collision[i] ]) {
        $.ui.position[ collision[i] ][ dir ](position, {
          targetWidth: targetWidth,
          targetHeight: targetHeight,
          elemWidth: elemWidth,
          elemHeight: elemHeight,
          collisionPosition: collisionPosition,
          collisionWidth: collisionWidth,
          collisionHeight: collisionHeight,
          offset: offset,
          my: options.my,
          at: options.at
        });
      }
    });

    if ($.fn.bgiframe) {
      elem.bgiframe();
    }
    elem.offset($.extend(position, { using: options.using }));
  });
};

$.ui.position = {
  fit: {
    left: function(position, data) {
      var win = $(window),
        over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft();
      position.left = over > 0 ? position.left - over : Math.max(position.left - data.collisionPosition.left, position.left);
    },
    top: function(position, data) {
      var win = $(window),
        over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop();
      position.top = over > 0 ? position.top - over : Math.max(position.top - data.collisionPosition.top, position.top);
    }
  },

  flip: {
    left: function(position, data) {
      if (data.at[0] === center) {
        return;
      }
      var win = $(window),
        over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft(),
        myOffset = data.my[ 0 ] === "left" ?
          -data.elemWidth :
          data.my[ 0 ] === "right" ?
            data.elemWidth :
            0,
        atOffset = data.at[ 0 ] === "left" ?
          data.targetWidth :
          -data.targetWidth,
        offset = -2 * data.offset[ 0 ];
      position.left += data.collisionPosition.left < 0 ?
        myOffset + atOffset + offset :
        over > 0 ?
          myOffset + atOffset + offset :
          0;
    },
    top: function(position, data) {
      if (data.at[1] === center) {
        return;
      }
      var win = $(window),
        over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop(),
        myOffset = data.my[ 1 ] === "top" ?
          -data.elemHeight :
          data.my[ 1 ] === "bottom" ?
            data.elemHeight :
            0,
        atOffset = data.at[ 1 ] === "top" ?
          data.targetHeight :
          -data.targetHeight,
        offset = -2 * data.offset[ 1 ];
      position.top += data.collisionPosition.top < 0 ?
        myOffset + atOffset + offset :
        over > 0 ?
          myOffset + atOffset + offset :
          0;
    }
  }
};

// offset setter from jQuery 1.4
if (!$.offset.setOffset) {
  $.offset.setOffset = function(elem, options) {
    // set position first, in-case top/left are set even on static elem
    if (/static/.test($.curCSS(elem, "position"))) {
      elem.style.position = "relative";
    }
    var curElem   = $(elem),
      curOffset = curElem.offset(),
      curTop    = parseInt($.curCSS(elem, "top",  true), 10) || 0,
      curLeft   = parseInt($.curCSS(elem, "left", true), 10)  || 0,
      props     = {
        top:  (options.top  - curOffset.top)  + curTop,
        left: (options.left - curOffset.left) + curLeft
      };
    
    if ('using' in options) {
      options.using.call(elem, props);
    } else {
      curElem.css(props);
    }
  };

  $.fn.offset = function(options) {
    var elem = this[ 0 ];
    if (!elem || !elem.ownerDocument) { return null; }
    if (options) { 
      return this.each(function() {
        $.offset.setOffset(this, options);
      });
    }
    return _offset.call(this);
  };
}

}(jQuery));
/*
 * jQuery UI Draggable 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Draggables
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.mouse.js
 *  jquery.ui.widget.js
 */
(function($, undefined) {

$.widget("ui.draggable", $.ui.mouse, {
  widgetEventPrefix: "drag",
  options: {
    addClasses: true,
    appendTo: "parent",
    axis: false,
    connectToSortable: false,
    containment: false,
    cursor: "auto",
    cursorAt: false,
    grid: false,
    handle: false,
    helper: "original",
    iframeFix: false,
    opacity: false,
    refreshPositions: false,
    revert: false,
    revertDuration: 500,
    scope: "default",
    scroll: true,
    scrollSensitivity: 20,
    scrollSpeed: 20,
    snap: false,
    snapMode: "both",
    snapTolerance: 20,
    stack: false,
    zIndex: false
  },
  _create: function() {

    if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position")))
      this.element[0].style.position = 'relative';

    (this.options.addClasses && this.element.addClass("ui-draggable"));
    (this.options.disabled && this.element.addClass("ui-draggable-disabled"));

    this._mouseInit();

  },

  destroy: function() {
    if(!this.element.data('draggable')) return;
    this.element
      .removeData("draggable")
      .unbind(".draggable")
      .removeClass("ui-draggable"
        + " ui-draggable-dragging"
        + " ui-draggable-disabled");
    this._mouseDestroy();

    return this;
  },

  _mouseCapture: function(event) {

    var o = this.options;

    // among others, prevent a drag on a resizable-handle
    if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle'))
      return false;

    //Quit if we're not on a valid handle
    this.handle = this._getHandle(event);
    if (!this.handle)
      return false;

    return true;

  },

  _mouseStart: function(event) {

    var o = this.options;

    //Create and append the visible helper
    this.helper = this._createHelper(event);

    //Cache the helper size
    this._cacheHelperProportions();

    //If ddmanager is used for droppables, set the global draggable
    if($.ui.ddmanager)
      $.ui.ddmanager.current = this;

    /*
     * - Position generation -
     * This block generates everything position related - it's the core of draggables.
     */

    //Cache the margins of the original element
    this._cacheMargins();

    //Store the helper's css position
    this.cssPosition = this.helper.css("position");
    this.scrollParent = this.helper.scrollParent();

    //The element's absolute position on the page minus margins
    this.offset = this.positionAbs = this.element.offset();
    this.offset = {
      top: this.offset.top - this.margins.top,
      left: this.offset.left - this.margins.left
    };

    $.extend(this.offset, {
      click: { //Where the click happened, relative to the element
        left: event.pageX - this.offset.left,
        top: event.pageY - this.offset.top
      },
      parent: this._getParentOffset(),
      relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
    });

    //Generate the original position
    this.originalPosition = this.position = this._generatePosition(event);
    this.originalPageX = event.pageX;
    this.originalPageY = event.pageY;

    //Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
    (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));

    //Set a containment if given in the options
    if(o.containment)
      this._setContainment();

    //Trigger event + callbacks
    if(this._trigger("start", event) === false) {
      this._clear();
      return false;
    }

    //Recache the helper size
    this._cacheHelperProportions();

    //Prepare the droppable offsets
    if ($.ui.ddmanager && !o.dropBehaviour)
      $.ui.ddmanager.prepareOffsets(this, event);

    this.helper.addClass("ui-draggable-dragging");
    this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
    return true;
  },

  _mouseDrag: function(event, noPropagation) {

    //Compute the helpers position
    this.position = this._generatePosition(event);
    this.positionAbs = this._convertPositionTo("absolute");

    //Call plugins and callbacks and use the resulting position if something is returned
    if (!noPropagation) {
      var ui = this._uiHash();
      if(this._trigger('drag', event, ui) === false) {
        this._mouseUp({});
        return false;
      }
      this.position = ui.position;
    }

    if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
    if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
    if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);

    return false;
  },

  _mouseStop: function(event) {

    //If we are using droppables, inform the manager about the drop
    var dropped = false;
    if ($.ui.ddmanager && !this.options.dropBehaviour)
      dropped = $.ui.ddmanager.drop(this, event);

    //if a drop comes from outside (a sortable)
    if(this.dropped) {
      dropped = this.dropped;
      this.dropped = false;
    }
    
    //if the original element is removed, don't bother to continue if helper is set to "original"
    if((!this.element[0] || !this.element[0].parentNode) && this.options.helper == "original")
      return false;

    if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
      var self = this;
      $(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
        if(self._trigger("stop", event) !== false) {
          self._clear();
        }
      });
    } else {
      if(this._trigger("stop", event) !== false) {
        this._clear();
      }
    }

    return false;
  },
  
  cancel: function() {
    
    if(this.helper.is(".ui-draggable-dragging")) {
      this._mouseUp({});
    } else {
      this._clear();
    }
    
    return this;
    
  },

  _getHandle: function(event) {

    var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false;
    $(this.options.handle, this.element)
      .find("*")
      .andSelf()
      .each(function() {
        if(this == event.target) handle = true;
      });

    return handle;

  },

  _createHelper: function(event) {

    var o = this.options;
    var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element);

    if(!helper.parents('body').length)
      helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo));

    if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position")))
      helper.css("position", "absolute");

    return helper;

  },

  _adjustOffsetFromHelper: function(obj) {
    if (typeof obj == 'string') {
      obj = obj.split(' ');
    }
    if ($.isArray(obj)) {
      obj = {left: +obj[0], top: +obj[1] || 0};
    }
    if ('left' in obj) {
      this.offset.click.left = obj.left + this.margins.left;
    }
    if ('right' in obj) {
      this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
    }
    if ('top' in obj) {
      this.offset.click.top = obj.top + this.margins.top;
    }
    if ('bottom' in obj) {
      this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
    }
  },

  _getParentOffset: function() {

    //Get the offsetParent and cache its position
    this.offsetParent = this.helper.offsetParent();
    var po = this.offsetParent.offset();

    // This is a special case where we need to modify a offset calculated on start, since the following happened:
    // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
    // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
    //    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
    if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) {
      po.left += this.scrollParent.scrollLeft();
      po.top += this.scrollParent.scrollTop();
    }

    if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
    || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
      po = { top: 0, left: 0 };

    return {
      top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
      left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
    };

  },

  _getRelativeOffset: function() {

    if(this.cssPosition == "relative") {
      var p = this.element.position();
      return {
        top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
        left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
      };
    } else {
      return { top: 0, left: 0 };
    }

  },

  _cacheMargins: function() {
    this.margins = {
      left: (parseInt(this.element.css("marginLeft"),10) || 0),
      top: (parseInt(this.element.css("marginTop"),10) || 0),
      right: (parseInt(this.element.css("marginRight"),10) || 0),
      bottom: (parseInt(this.element.css("marginBottom"),10) || 0)
    };
  },

  _cacheHelperProportions: function() {
    this.helperProportions = {
      width: this.helper.outerWidth(),
      height: this.helper.outerHeight()
    };
  },

  _setContainment: function() {

    var o = this.options;
    if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
    if(o.containment == 'document' || o.containment == 'window') this.containment = [
      (o.containment == 'document' ? 0 : $(window).scrollLeft()) - this.offset.relative.left - this.offset.parent.left,
      (o.containment == 'document' ? 0 : $(window).scrollTop()) - this.offset.relative.top - this.offset.parent.top,
      (o.containment == 'document' ? 0 : $(window).scrollLeft()) + $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
      (o.containment == 'document' ? 0 : $(window).scrollTop()) + ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
    ];

    if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) {
      var ce = $(o.containment)[0]; if(!ce) return;
      var co = $(o.containment).offset();
      var over = ($(ce).css("overflow") != 'hidden');

      this.containment = [
        co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0),
        co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0),
        co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left - this.margins.right,
        co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top  - this.margins.bottom
      ];
    } else if(o.containment.constructor == Array) {
      this.containment = o.containment;
    }

  },

  _convertPositionTo: function(d, pos) {

    if(!pos) pos = this.position;
    var mod = d == "absolute" ? 1 : -1;
    var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

    return {
      top: (
        pos.top                                  // The absolute mouse position
        + this.offset.relative.top * mod                    // Only for relative positioned nodes: Relative offset from element to offset parent
        + this.offset.parent.top * mod                      // The offsetParent's offset without borders (offset + border)
        - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : (scrollIsRootNode ? 0 : scroll.scrollTop())) * mod)
     ),
      left: (
        pos.left                                // The absolute mouse position
        + this.offset.relative.left * mod                    // Only for relative positioned nodes: Relative offset from element to offset parent
        + this.offset.parent.left * mod                      // The offsetParent's offset without borders (offset + border)
        - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft()) * mod)
     )
    };

  },

  _generatePosition: function(event) {

    var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
    var pageX = event.pageX;
    var pageY = event.pageY;

    /*
     * - Position constraining -
     * Constrain the position to a mix of grid, containment.
     */

    if(this.originalPosition) { //If we are not dragging yet, we won't check for options

      if(this.containment) {
        if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
        if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
        if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
        if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
      }

      if(o.grid) {
        var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
        pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;

        var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
        pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
      }

    }

    return {
      top: (
        pageY                                // The absolute mouse position
        - this.offset.click.top                          // Click offset (relative to the element)
        - this.offset.relative.top                        // Only for relative positioned nodes: Relative offset from element to offset parent
        - this.offset.parent.top                        // The offsetParent's offset without borders (offset + border)
        + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : (scrollIsRootNode ? 0 : scroll.scrollTop())))
     ),
      left: (
        pageX                                // The absolute mouse position
        - this.offset.click.left                        // Click offset (relative to the element)
        - this.offset.relative.left                        // Only for relative positioned nodes: Relative offset from element to offset parent
        - this.offset.parent.left                        // The offsetParent's offset without borders (offset + border)
        + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft()))
     )
    };

  },

  _clear: function() {
    this.helper.removeClass("ui-draggable-dragging");
    if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
    //if($.ui.ddmanager) $.ui.ddmanager.current = null;
    this.helper = null;
    this.cancelHelperRemoval = false;
  },

  // From now on bulk stuff - mainly helpers

  _trigger: function(type, event, ui) {
    ui = ui || this._uiHash();
    $.ui.plugin.call(this, type, [event, ui]);
    if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins
    return $.Widget.prototype._trigger.call(this, type, event, ui);
  },

  plugins: {},

  _uiHash: function(event) {
    return {
      helper: this.helper,
      position: this.position,
      originalPosition: this.originalPosition,
      offset: this.positionAbs
    };
  }

});

$.extend($.ui.draggable, {
  version: "1.8.11"
});

$.ui.plugin.add("draggable", "connectToSortable", {
  start: function(event, ui) {

    var inst = $(this).data("draggable"), o = inst.options,
      uiSortable = $.extend({}, ui, { item: inst.element });
    inst.sortables = [];
    $(o.connectToSortable).each(function() {
      var sortable = $.data(this, 'sortable');
      if (sortable && !sortable.options.disabled) {
        inst.sortables.push({
          instance: sortable,
          shouldRevert: sortable.options.revert
        });
        sortable.refreshPositions();  // Call the sortable's refreshPositions at drag start to refresh the containerCache since the sortable container cache is used in drag and needs to be up to date (this will ensure it's initialised as well as being kept in step with any changes that might have happened on the page).
        sortable._trigger("activate", event, uiSortable);
      }
    });

  },
  stop: function(event, ui) {

    //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
    var inst = $(this).data("draggable"),
      uiSortable = $.extend({}, ui, { item: inst.element });

    $.each(inst.sortables, function() {
      if(this.instance.isOver) {

        this.instance.isOver = 0;

        inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
        this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)

        //The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid'
        if(this.shouldRevert) this.instance.options.revert = true;

        //Trigger the stop of the sortable
        this.instance._mouseStop(event);

        this.instance.options.helper = this.instance.options._helper;

        //If the helper has been the original item, restore properties in the sortable
        if(inst.options.helper == 'original')
          this.instance.currentItem.css({ top: 'auto', left: 'auto' });

      } else {
        this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance
        this.instance._trigger("deactivate", event, uiSortable);
      }

    });

  },
  drag: function(event, ui) {

    var inst = $(this).data("draggable"), self = this;

    var checkPos = function(o) {
      var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
      var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left;
      var itemHeight = o.height, itemWidth = o.width;
      var itemTop = o.top, itemLeft = o.left;

      return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth);
    };

    $.each(inst.sortables, function(i) {
      
      //Copy over some variables to allow calling the sortable's native _intersectsWith
      this.instance.positionAbs = inst.positionAbs;
      this.instance.helperProportions = inst.helperProportions;
      this.instance.offset.click = inst.offset.click;
      
      if(this.instance._intersectsWith(this.instance.containerCache)) {

        //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
        if(!this.instance.isOver) {

          this.instance.isOver = 1;
          //Now we fake the start of dragging for the sortable instance,
          //by cloning the list group item, appending it to the sortable and using it as inst.currentItem
          //We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one)
          this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true);
          this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
          this.instance.options.helper = function() { return ui.helper[0]; };

          event.target = this.instance.currentItem[0];
          this.instance._mouseCapture(event, true);
          this.instance._mouseStart(event, true, true);

          //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
          this.instance.offset.click.top = inst.offset.click.top;
          this.instance.offset.click.left = inst.offset.click.left;
          this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left;
          this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top;

          inst._trigger("toSortable", event);
          inst.dropped = this.instance.element; //draggable revert needs that
          //hack so receive/update callbacks work (mostly)
          inst.currentItem = inst.element;
          this.instance.fromOutside = inst;

        }

        //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable
        if(this.instance.currentItem) this.instance._mouseDrag(event);

      } else {

        //If it doesn't intersect with the sortable, and it intersected before,
        //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval
        if(this.instance.isOver) {

          this.instance.isOver = 0;
          this.instance.cancelHelperRemoval = true;
          
          //Prevent reverting on this forced stop
          this.instance.options.revert = false;
          
          // The out event needs to be triggered independently
          this.instance._trigger('out', event, this.instance._uiHash(this.instance));
          
          this.instance._mouseStop(event, true);
          this.instance.options.helper = this.instance.options._helper;

          //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
          this.instance.currentItem.remove();
          if(this.instance.placeholder) this.instance.placeholder.remove();

          inst._trigger("fromSortable", event);
          inst.dropped = false; //draggable revert needs that
        }

      };

    });

  }
});

$.ui.plugin.add("draggable", "cursor", {
  start: function(event, ui) {
    var t = $('body'), o = $(this).data('draggable').options;
    if (t.css("cursor")) o._cursor = t.css("cursor");
    t.css("cursor", o.cursor);
  },
  stop: function(event, ui) {
    var o = $(this).data('draggable').options;
    if (o._cursor) $('body').css("cursor", o._cursor);
  }
});

$.ui.plugin.add("draggable", "iframeFix", {
  start: function(event, ui) {
    var o = $(this).data('draggable').options;
    $(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() {
      $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>')
      .css({
        width: this.offsetWidth+"px", height: this.offsetHeight+"px",
        position: "absolute", opacity: "0.001", zIndex: 1000
      })
      .css($(this).offset())
      .appendTo("body");
    });
  },
  stop: function(event, ui) {
    $("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers
  }
});

$.ui.plugin.add("draggable", "opacity", {
  start: function(event, ui) {
    var t = $(ui.helper), o = $(this).data('draggable').options;
    if(t.css("opacity")) o._opacity = t.css("opacity");
    t.css('opacity', o.opacity);
  },
  stop: function(event, ui) {
    var o = $(this).data('draggable').options;
    if(o._opacity) $(ui.helper).css('opacity', o._opacity);
  }
});

$.ui.plugin.add("draggable", "scroll", {
  start: function(event, ui) {
    var i = $(this).data("draggable");
    if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset();
  },
  drag: function(event, ui) {

    var i = $(this).data("draggable"), o = i.options, scrolled = false;

    if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') {

      if(!o.axis || o.axis != 'x') {
        if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
          i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed;
        else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity)
          i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed;
      }

      if(!o.axis || o.axis != 'y') {
        if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
          i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed;
        else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity)
          i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed;
      }

    } else {

      if(!o.axis || o.axis != 'x') {
        if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
          scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
        else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
          scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
      }

      if(!o.axis || o.axis != 'y') {
        if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
          scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
        else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
          scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
      }

    }

    if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
      $.ui.ddmanager.prepareOffsets(i, event);

  }
});

$.ui.plugin.add("draggable", "snap", {
  start: function(event, ui) {

    var i = $(this).data("draggable"), o = i.options;
    i.snapElements = [];

    $(o.snap.constructor != String ? (o.snap.items || ':data(draggable)') : o.snap).each(function() {
      var $t = $(this); var $o = $t.offset();
      if(this != i.element[0]) i.snapElements.push({
        item: this,
        width: $t.outerWidth(), height: $t.outerHeight(),
        top: $o.top, left: $o.left
      });
    });

  },
  drag: function(event, ui) {

    var inst = $(this).data("draggable"), o = inst.options;
    var d = o.snapTolerance;

    var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
      y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;

    for (var i = inst.snapElements.length - 1; i >= 0; i--){

      var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width,
        t = inst.snapElements[i].top, b = t + inst.snapElements[i].height;

      //Yes, I know, this is insane ;)
      if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) {
        if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
        inst.snapElements[i].snapping = false;
        continue;
      }

      if(o.snapMode != 'inner') {
        var ts = Math.abs(t - y2) <= d;
        var bs = Math.abs(b - y1) <= d;
        var ls = Math.abs(l - x2) <= d;
        var rs = Math.abs(r - x1) <= d;
        if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
        if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top;
        if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left;
        if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left;
      }

      var first = (ts || bs || ls || rs);

      if(o.snapMode != 'outer') {
        var ts = Math.abs(t - y1) <= d;
        var bs = Math.abs(b - y2) <= d;
        var ls = Math.abs(l - x1) <= d;
        var rs = Math.abs(r - x2) <= d;
        if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top;
        if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
        if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left;
        if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left;
      }

      if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first))
        (inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
      inst.snapElements[i].snapping = (ts || bs || ls || rs || first);

    };

  }
});

$.ui.plugin.add("draggable", "stack", {
  start: function(event, ui) {

    var o = $(this).data("draggable").options;

    var group = $.makeArray($(o.stack)).sort(function(a,b) {
      return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0);
    });
    if (!group.length) { return; }
    
    var min = parseInt(group[0].style.zIndex) || 0;
    $(group).each(function(i) {
      this.style.zIndex = min + i;
    });

    this[0].style.zIndex = min + group.length;

  }
});

$.ui.plugin.add("draggable", "zIndex", {
  start: function(event, ui) {
    var t = $(ui.helper), o = $(this).data("draggable").options;
    if(t.css("zIndex")) o._zIndex = t.css("zIndex");
    t.css('zIndex', o.zIndex);
  },
  stop: function(event, ui) {
    var o = $(this).data("draggable").options;
    if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex);
  }
});

})(jQuery);
/*
 * jQuery UI Droppable 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Droppables
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.widget.js
 *  jquery.ui.mouse.js
 *  jquery.ui.draggable.js
 */
(function($, undefined) {

$.widget("ui.droppable", {
  widgetEventPrefix: "drop",
  options: {
    accept: '*',
    activeClass: false,
    addClasses: true,
    greedy: false,
    hoverClass: false,
    scope: 'default',
    tolerance: 'intersect'
  },
  _create: function() {

    var o = this.options, accept = o.accept;
    this.isover = 0; this.isout = 1;

    this.accept = $.isFunction(accept) ? accept : function(d) {
      return d.is(accept);
    };

    //Store the droppable's proportions
    this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight };

    // Add the reference and positions to the manager
    $.ui.ddmanager.droppables[o.scope] = $.ui.ddmanager.droppables[o.scope] || [];
    $.ui.ddmanager.droppables[o.scope].push(this);

    (o.addClasses && this.element.addClass("ui-droppable"));

  },

  destroy: function() {
    var drop = $.ui.ddmanager.droppables[this.options.scope];
    for (var i = 0; i < drop.length; i++)
      if (drop[i] == this)
        drop.splice(i, 1);

    this.element
      .removeClass("ui-droppable ui-droppable-disabled")
      .removeData("droppable")
      .unbind(".droppable");

    return this;
  },

  _setOption: function(key, value) {

    if(key == 'accept') {
      this.accept = $.isFunction(value) ? value : function(d) {
        return d.is(value);
      };
    }
    $.Widget.prototype._setOption.apply(this, arguments);
  },

  _activate: function(event) {
    var draggable = $.ui.ddmanager.current;
    if(this.options.activeClass) this.element.addClass(this.options.activeClass);
    (draggable && this._trigger('activate', event, this.ui(draggable)));
  },

  _deactivate: function(event) {
    var draggable = $.ui.ddmanager.current;
    if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
    (draggable && this._trigger('deactivate', event, this.ui(draggable)));
  },

  _over: function(event) {

    var draggable = $.ui.ddmanager.current;
    if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element

    if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
      if(this.options.hoverClass) this.element.addClass(this.options.hoverClass);
      this._trigger('over', event, this.ui(draggable));
    }

  },

  _out: function(event) {

    var draggable = $.ui.ddmanager.current;
    if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element

    if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
      if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
      this._trigger('out', event, this.ui(draggable));
    }

  },

  _drop: function(event,custom) {

    var draggable = custom || $.ui.ddmanager.current;
    if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return false; // Bail if draggable and droppable are same element

    var childrenIntersection = false;
    this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function() {
      var inst = $.data(this, 'droppable');
      if(
        inst.options.greedy
        && !inst.options.disabled
        && inst.options.scope == draggable.options.scope
        && inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element))
        && $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)
     ) { childrenIntersection = true; return false; }
    });
    if(childrenIntersection) return false;

    if(this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
      if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
      if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
      this._trigger('drop', event, this.ui(draggable));
      return this.element;
    }

    return false;

  },

  ui: function(c) {
    return {
      draggable: (c.currentItem || c.element),
      helper: c.helper,
      position: c.position,
      offset: c.positionAbs
    };
  }

});

$.extend($.ui.droppable, {
  version: "1.8.11"
});

$.ui.intersect = function(draggable, droppable, toleranceMode) {

  if (!droppable.offset) return false;

  var x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width,
    y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height;
  var l = droppable.offset.left, r = l + droppable.proportions.width,
    t = droppable.offset.top, b = t + droppable.proportions.height;

  switch (toleranceMode) {
    case 'fit':
      return (l <= x1 && x2 <= r
        && t <= y1 && y2 <= b);
      break;
    case 'intersect':
      return (l < x1 + (draggable.helperProportions.width / 2) // Right Half
        && x2 - (draggable.helperProportions.width / 2) < r // Left Half
        && t < y1 + (draggable.helperProportions.height / 2) // Bottom Half
        && y2 - (draggable.helperProportions.height / 2) < b); // Top Half
      break;
    case 'pointer':
      var draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left),
        draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top),
        isOver = $.ui.isOver(draggableTop, draggableLeft, t, l, droppable.proportions.height, droppable.proportions.width);
      return isOver;
      break;
    case 'touch':
      return (
          (y1 >= t && y1 <= b) ||  // Top edge touching
          (y2 >= t && y2 <= b) ||  // Bottom edge touching
          (y1 < t && y2 > b)    // Surrounded vertically
       ) && (
          (x1 >= l && x1 <= r) ||  // Left edge touching
          (x2 >= l && x2 <= r) ||  // Right edge touching
          (x1 < l && x2 > r)    // Surrounded horizontally
       );
      break;
    default:
      return false;
      break;
    }

};

/*
  This manager tracks offsets of draggables and droppables
*/
$.ui.ddmanager = {
  current: null,
  droppables: { 'default': [] },
  prepareOffsets: function(t, event) {

    var m = $.ui.ddmanager.droppables[t.options.scope] || [];
    var type = event ? event.type : null; // workaround for #2317
    var list = (t.currentItem || t.element).find(":data(droppable)").andSelf();

    droppablesLoop: for (var i = 0; i < m.length; i++) {

      if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) continue;  //No disabled and non-accepted
      for (var j=0; j < list.length; j++) { if(list[j] == m[i].element[0]) { m[i].proportions.height = 0; continue droppablesLoop; } }; //Filter out elements in the current dragged item
      m[i].visible = m[i].element.css("display") != "none"; if(!m[i].visible) continue;                   //If the element is not visible, continue

      if(type == "mousedown") m[i]._activate.call(m[i], event); //Activate the droppable if used directly from draggables

      m[i].offset = m[i].element.offset();
      m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight };

    }

  },
  drop: function(draggable, event) {

    var dropped = false;
    $.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {

      if(!this.options) return;
      if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance))
        dropped = dropped || this._drop.call(this, event);

      if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
        this.isout = 1; this.isover = 0;
        this._deactivate.call(this, event);
      }

    });
    return dropped;

  },
  drag: function(draggable, event) {

    //If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
    if(draggable.options.refreshPositions) $.ui.ddmanager.prepareOffsets(draggable, event);

    //Run through all droppables and check their positions based on specific tolerance options
    $.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {

      if(this.options.disabled || this.greedyChild || !this.visible) return;
      var intersects = $.ui.intersect(draggable, this, this.options.tolerance);

      var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover == 0 ? 'isover' : null);
      if(!c) return;

      var parentInstance;
      if (this.options.greedy) {
        var parent = this.element.parents(':data(droppable):eq(0)');
        if (parent.length) {
          parentInstance = $.data(parent[0], 'droppable');
          parentInstance.greedyChild = (c == 'isover' ? 1 : 0);
        }
      }

      // we just moved into a greedy child
      if (parentInstance && c == 'isover') {
        parentInstance['isover'] = 0;
        parentInstance['isout'] = 1;
        parentInstance._out.call(parentInstance, event);
      }

      this[c] = 1; this[c == 'isout' ? 'isover' : 'isout'] = 0;
      this[c == "isover" ? "_over" : "_out"].call(this, event);

      // we just moved out of a greedy child
      if (parentInstance && c == 'isout') {
        parentInstance['isout'] = 0;
        parentInstance['isover'] = 1;
        parentInstance._over.call(parentInstance, event);
      }
    });

  }
};

})(jQuery);
/*
 * jQuery UI Resizable 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Resizables
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.mouse.js
 *  jquery.ui.widget.js
 */
(function($, undefined) {

$.widget("ui.resizable", $.ui.mouse, {
  widgetEventPrefix: "resize",
  options: {
    alsoResize: false,
    animate: false,
    animateDuration: "slow",
    animateEasing: "swing",
    aspectRatio: false,
    autoHide: false,
    containment: false,
    ghost: false,
    grid: false,
    handles: "e,s,se",
    helper: false,
    maxHeight: null,
    maxWidth: null,
    minHeight: 10,
    minWidth: 10,
    zIndex: 1000
  },
  _create: function() {

    var self = this, o = this.options;
    this.element.addClass("ui-resizable");

    $.extend(this, {
      _aspectRatio: !!(o.aspectRatio),
      aspectRatio: o.aspectRatio,
      originalElement: this.element,
      _proportionallyResizeElements: [],
      _helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
    });

    //Wrap the element if it cannot hold child nodes
    if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {

      //Opera fix for relative positioning
      if (/relative/.test(this.element.css('position')) && $.browser.opera)
        this.element.css({ position: 'relative', top: 'auto', left: 'auto' });

      //Create a wrapper element and set the wrapper to the new current internal element
      this.element.wrap(
        $('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
          position: this.element.css('position'),
          width: this.element.outerWidth(),
          height: this.element.outerHeight(),
          top: this.element.css('top'),
          left: this.element.css('left')
        })
     );

      //Overwrite the original this.element
      this.element = this.element.parent().data(
        "resizable", this.element.data('resizable')
     );

      this.elementIsWrapper = true;

      //Move margins to the wrapper
      this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
      this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});

      //Prevent Safari textarea resize
      this.originalResizeStyle = this.originalElement.css('resize');
      this.originalElement.css('resize', 'none');

      //Push the actual element to our proportionallyResize internal array
      this._proportionallyResizeElements.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));

      // avoid IE jump (hard set the margin)
      this.originalElement.css({ margin: this.originalElement.css('margin') });

      // fix handlers offset
      this._proportionallyResize();

    }

    this.handles = o.handles || (!$('.ui-resizable-handle', this.element).length ? "e,s,se" : { n: '.ui-resizable-n', e: '.ui-resizable-e', s: '.ui-resizable-s', w: '.ui-resizable-w', se: '.ui-resizable-se', sw: '.ui-resizable-sw', ne: '.ui-resizable-ne', nw: '.ui-resizable-nw' });
    if(this.handles.constructor == String) {

      if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
      var n = this.handles.split(","); this.handles = {};

      for(var i = 0; i < n.length; i++) {

        var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
        var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');

        // increase zIndex of sw, se, ne, nw axis
        //TODO : this modifies original option
        if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });

        //TODO : What's going on here?
        if ('se' == handle) {
          axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
        };

        //Insert into internal handles object and append to element
        this.handles[handle] = '.ui-resizable-'+handle;
        this.element.append(axis);
      }

    }

    this._renderAxis = function(target) {

      target = target || this.element;

      for(var i in this.handles) {

        if(this.handles[i].constructor == String)
          this.handles[i] = $(this.handles[i], this.element).show();

        //Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
        if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {

          var axis = $(this.handles[i], this.element), padWrapper = 0;

          //Checking the correct pad and border
          padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();

          //The padding type i have to apply...
          var padPos = [ 'padding',
            /ne|nw|n/.test(i) ? 'Top' :
            /se|sw|s/.test(i) ? 'Bottom' :
            /^e$/.test(i) ? 'Right' : 'Left' ].join("");

          target.css(padPos, padWrapper);

          this._proportionallyResize();

        }

        //TODO: What's that good for? There's not anything to be executed left
        if(!$(this.handles[i]).length)
          continue;

      }
    };

    //TODO: make renderAxis a prototype function
    this._renderAxis(this.element);

    this._handles = $('.ui-resizable-handle', this.element)
      .disableSelection();

    //Matching axis name
    this._handles.mouseover(function() {
      if (!self.resizing) {
        if (this.className)
          var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
        //Axis, default = se
        self.axis = axis && axis[1] ? axis[1] : 'se';
      }
    });

    //If we want to auto hide the elements
    if (o.autoHide) {
      this._handles.hide();
      $(this.element)
        .addClass("ui-resizable-autohide")
        .hover(function() {
          $(this).removeClass("ui-resizable-autohide");
          self._handles.show();
        },
        function(){
          if (!self.resizing) {
            $(this).addClass("ui-resizable-autohide");
            self._handles.hide();
          }
        });
    }

    //Initialize the mouse interaction
    this._mouseInit();

  },

  destroy: function() {

    this._mouseDestroy();

    var _destroy = function(exp) {
      $(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
        .removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
    };

    //TODO: Unwrap at same DOM position
    if (this.elementIsWrapper) {
      _destroy(this.element);
      var wrapper = this.element;
      wrapper.after(
        this.originalElement.css({
          position: wrapper.css('position'),
          width: wrapper.outerWidth(),
          height: wrapper.outerHeight(),
          top: wrapper.css('top'),
          left: wrapper.css('left')
        })
     ).remove();
    }

    this.originalElement.css('resize', this.originalResizeStyle);
    _destroy(this.originalElement);

    return this;
  },

  _mouseCapture: function(event) {
    var handle = false;
    for (var i in this.handles) {
      if ($(this.handles[i])[0] == event.target) {
        handle = true;
      }
    }

    return !this.options.disabled && handle;
  },

  _mouseStart: function(event) {

    var o = this.options, iniPos = this.element.position(), el = this.element;

    this.resizing = true;
    this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };

    // bugfix for http://dev.jquery.com/ticket/1749
    if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
      el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
    }

    //Opera fixing relative position
    if ($.browser.opera && (/relative/).test(el.css('position')))
      el.css({ position: 'relative', top: 'auto', left: 'auto' });

    this._renderProxy();

    var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));

    if (o.containment) {
      curleft += $(o.containment).scrollLeft() || 0;
      curtop += $(o.containment).scrollTop() || 0;
    }

    //Store needed variables
    this.offset = this.helper.offset();
    this.position = { left: curleft, top: curtop };
    this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
    this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
    this.originalPosition = { left: curleft, top: curtop };
    this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
    this.originalMousePosition = { left: event.pageX, top: event.pageY };

    //Aspect Ratio
    this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);

      var cursor = $('.ui-resizable-' + this.axis).css('cursor');
      $('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);

    el.addClass("ui-resizable-resizing");
    this._propagate("start", event);
    return true;
  },

  _mouseDrag: function(event) {

    //Increase performance, avoid regex
    var el = this.helper, o = this.options, props = {},
      self = this, smp = this.originalMousePosition, a = this.axis;

    var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
    var trigger = this._change[a];
    if (!trigger) return false;

    // Calculate the attrs that will be change
    var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;

    if (this._aspectRatio || event.shiftKey)
      data = this._updateRatio(data, event);

    data = this._respectSize(data, event);

    // plugins callbacks need to be called first
    this._propagate("resize", event);

    el.css({
      top: this.position.top + "px", left: this.position.left + "px",
      width: this.size.width + "px", height: this.size.height + "px"
    });

    if (!this._helper && this._proportionallyResizeElements.length)
      this._proportionallyResize();

    this._updateCache(data);

    // calling the user callback at the end
    this._trigger('resize', event, this.ui());

    return false;
  },

  _mouseStop: function(event) {

    this.resizing = false;
    var o = this.options, self = this;

    if(this._helper) {
      var pr = this._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
        soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
        soffsetw = ista ? 0 : self.sizeDiff.width;

      var s = { width: (self.helper.width()  - soffsetw), height: (self.helper.height() - soffseth) },
        left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
        top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;

      if (!o.animate)
        this.element.css($.extend(s, { top: top, left: left }));

      self.helper.height(self.size.height);
      self.helper.width(self.size.width);

      if (this._helper && !o.animate) this._proportionallyResize();
    }

    $('body').css('cursor', 'auto');

    this.element.removeClass("ui-resizable-resizing");

    this._propagate("stop", event);

    if (this._helper) this.helper.remove();
    return false;

  },

  _updateCache: function(data) {
    var o = this.options;
    this.offset = this.helper.offset();
    if (isNumber(data.left)) this.position.left = data.left;
    if (isNumber(data.top)) this.position.top = data.top;
    if (isNumber(data.height)) this.size.height = data.height;
    if (isNumber(data.width)) this.size.width = data.width;
  },

  _updateRatio: function(data, event) {

    var o = this.options, cpos = this.position, csize = this.size, a = this.axis;

    if (data.height) data.width = (csize.height * this.aspectRatio);
    else if (data.width) data.height = (csize.width / this.aspectRatio);

    if (a == 'sw') {
      data.left = cpos.left + (csize.width - data.width);
      data.top = null;
    }
    if (a == 'nw') {
      data.top = cpos.top + (csize.height - data.height);
      data.left = cpos.left + (csize.width - data.width);
    }

    return data;
  },

  _respectSize: function(data, event) {

    var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
        ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
          isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);

    if (isminw) data.width = o.minWidth;
    if (isminh) data.height = o.minHeight;
    if (ismaxw) data.width = o.maxWidth;
    if (ismaxh) data.height = o.maxHeight;

    var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
    var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);

    if (isminw && cw) data.left = dw - o.minWidth;
    if (ismaxw && cw) data.left = dw - o.maxWidth;
    if (isminh && ch)  data.top = dh - o.minHeight;
    if (ismaxh && ch)  data.top = dh - o.maxHeight;

    // fixing jump error on top/left - bug #2330
    var isNotwh = !data.width && !data.height;
    if (isNotwh && !data.left && data.top) data.top = null;
    else if (isNotwh && !data.top && data.left) data.left = null;

    return data;
  },

  _proportionallyResize: function() {

    var o = this.options;
    if (!this._proportionallyResizeElements.length) return;
    var element = this.helper || this.element;

    for (var i=0; i < this._proportionallyResizeElements.length; i++) {

      var prel = this._proportionallyResizeElements[i];

      if (!this.borderDif) {
        var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
          p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];

        this.borderDif = $.map(b, function(v, i) {
          var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
          return border + padding;
        });
      }

      if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
        continue;

      prel.css({
        height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
        width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
      });

    };

  },

  _renderProxy: function() {

    var el = this.element, o = this.options;
    this.elementOffset = el.offset();

    if(this._helper) {

      this.helper = this.helper || $('<div style="overflow:hidden;"></div>');

      // fix ie6 offset TODO: This seems broken
      var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
      pxyoffset = (ie6 ? 2 : -1);

      this.helper.addClass(this._helper).css({
        width: this.element.outerWidth() + pxyoffset,
        height: this.element.outerHeight() + pxyoffset,
        position: 'absolute',
        left: this.elementOffset.left - ie6offset +'px',
        top: this.elementOffset.top - ie6offset +'px',
        zIndex: ++o.zIndex //TODO: Don't modify option
      });

      this.helper
        .appendTo("body")
        .disableSelection();

    } else {
      this.helper = this.element;
    }

  },

  _change: {
    e: function(event, dx, dy) {
      return { width: this.originalSize.width + dx };
    },
    w: function(event, dx, dy) {
      var o = this.options, cs = this.originalSize, sp = this.originalPosition;
      return { left: sp.left + dx, width: cs.width - dx };
    },
    n: function(event, dx, dy) {
      var o = this.options, cs = this.originalSize, sp = this.originalPosition;
      return { top: sp.top + dy, height: cs.height - dy };
    },
    s: function(event, dx, dy) {
      return { height: this.originalSize.height + dy };
    },
    se: function(event, dx, dy) {
      return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
    },
    sw: function(event, dx, dy) {
      return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
    },
    ne: function(event, dx, dy) {
      return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
    },
    nw: function(event, dx, dy) {
      return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
    }
  },

  _propagate: function(n, event) {
    $.ui.plugin.call(this, n, [event, this.ui()]);
    (n != "resize" && this._trigger(n, event, this.ui()));
  },

  plugins: {},

  ui: function() {
    return {
      originalElement: this.originalElement,
      element: this.element,
      helper: this.helper,
      position: this.position,
      size: this.size,
      originalSize: this.originalSize,
      originalPosition: this.originalPosition
    };
  }

});

$.extend($.ui.resizable, {
  version: "1.8.11"
});

/*
 * Resizable Extensions
 */

$.ui.plugin.add("resizable", "alsoResize", {

  start: function (event, ui) {
    var self = $(this).data("resizable"), o = self.options;

    var _store = function (exp) {
      $(exp).each(function() {
        var el = $(this);
        el.data("resizable-alsoresize", {
          width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
          left: parseInt(el.css('left'), 10), top: parseInt(el.css('top'), 10),
          position: el.css('position') // to reset Opera on stop()
        });
      });
    };

    if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
      if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
      else { $.each(o.alsoResize, function (exp) { _store(exp); }); }
    }else{
      _store(o.alsoResize);
    }
  },

  resize: function (event, ui) {
    var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;

    var delta = {
      height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
      top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
    },

    _alsoResize = function (exp, c) {
      $(exp).each(function() {
        var el = $(this), start = $(this).data("resizable-alsoresize"), style = {}, 
          css = c && c.length ? c : el.parents(ui.originalElement[0]).length ? ['width', 'height'] : ['width', 'height', 'top', 'left'];

        $.each(css, function (i, prop) {
          var sum = (start[prop]||0) + (delta[prop]||0);
          if (sum && sum >= 0)
            style[prop] = sum || null;
        });

        // Opera fixing relative position
        if ($.browser.opera && /relative/.test(el.css('position'))) {
          self._revertToRelativePosition = true;
          el.css({ position: 'absolute', top: 'auto', left: 'auto' });
        }

        el.css(style);
      });
    };

    if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
      $.each(o.alsoResize, function (exp, c) { _alsoResize(exp, c); });
    }else{
      _alsoResize(o.alsoResize);
    }
  },

  stop: function (event, ui) {
    var self = $(this).data("resizable"), o = self.options;

    var _reset = function (exp) {
      $(exp).each(function() {
        var el = $(this);
        // reset position for Opera - no need to verify it was changed
        el.css({ position: el.data("resizable-alsoresize").position });
      });
    };

    if (self._revertToRelativePosition) {
      self._revertToRelativePosition = false;
      if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
        $.each(o.alsoResize, function (exp) { _reset(exp); });
      }else{
        _reset(o.alsoResize);
      }
    }

    $(this).removeData("resizable-alsoresize");
  }
});

$.ui.plugin.add("resizable", "animate", {

  stop: function(event, ui) {
    var self = $(this).data("resizable"), o = self.options;

    var pr = self._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
          soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
            soffsetw = ista ? 0 : self.sizeDiff.width;

    var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
          left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
            top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;

    self.element.animate(
      $.extend(style, top && left ? { top: top, left: left } : {}), {
        duration: o.animateDuration,
        easing: o.animateEasing,
        step: function() {

          var data = {
            width: parseInt(self.element.css('width'), 10),
            height: parseInt(self.element.css('height'), 10),
            top: parseInt(self.element.css('top'), 10),
            left: parseInt(self.element.css('left'), 10)
          };

          if (pr && pr.length) $(pr[0]).css({ width: data.width, height: data.height });

          // propagating resize, and updating values for each animation step
          self._updateCache(data);
          self._propagate("resize", event);

        }
      }
   );
  }

});

$.ui.plugin.add("resizable", "containment", {

  start: function(event, ui) {
    var self = $(this).data("resizable"), o = self.options, el = self.element;
    var oc = o.containment,  ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
    if (!ce) return;

    self.containerElement = $(ce);

    if (/document/.test(oc) || oc == document) {
      self.containerOffset = { left: 0, top: 0 };
      self.containerPosition = { left: 0, top: 0 };

      self.parentData = {
        element: $(document), left: 0, top: 0,
        width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
      };
    }

    // i'm a node, so compute top, left, right, bottom
    else {
      var element = $(ce), p = [];
      $([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });

      self.containerOffset = element.offset();
      self.containerPosition = element.position();
      self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };

      var co = self.containerOffset, ch = self.containerSize.height,  cw = self.containerSize.width,
            width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);

      self.parentData = {
        element: ce, left: co.left, top: co.top, width: width, height: height
      };
    }
  },

  resize: function(event, ui) {
    var self = $(this).data("resizable"), o = self.options,
        ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
        pRatio = self._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;

    if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;

    if (cp.left < (self._helper ? co.left : 0)) {
      self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
      if (pRatio) self.size.height = self.size.width / o.aspectRatio;
      self.position.left = o.helper ? co.left : 0;
    }

    if (cp.top < (self._helper ? co.top : 0)) {
      self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
      if (pRatio) self.size.width = self.size.height * o.aspectRatio;
      self.position.top = self._helper ? co.top : 0;
    }

    self.offset.left = self.parentData.left+self.position.left;
    self.offset.top = self.parentData.top+self.position.top;

    var woset = Math.abs((self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width),
          hoset = Math.abs((self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height);

    var isParent = self.containerElement.get(0) == self.element.parent().get(0),
        isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));

    if(isParent && isOffsetRelative) woset -= self.parentData.left;

    if (woset + self.size.width >= self.parentData.width) {
      self.size.width = self.parentData.width - woset;
      if (pRatio) self.size.height = self.size.width / self.aspectRatio;
    }

    if (hoset + self.size.height >= self.parentData.height) {
      self.size.height = self.parentData.height - hoset;
      if (pRatio) self.size.width = self.size.height * self.aspectRatio;
    }
  },

  stop: function(event, ui){
    var self = $(this).data("resizable"), o = self.options, cp = self.position,
        co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;

    var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;

    if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
      $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });

    if (self._helper && !o.animate && (/static/).test(ce.css('position')))
      $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });

  }
});

$.ui.plugin.add("resizable", "ghost", {

  start: function(event, ui) {

    var self = $(this).data("resizable"), o = self.options, cs = self.size;

    self.ghost = self.originalElement.clone();
    self.ghost
      .css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
      .addClass('ui-resizable-ghost')
      .addClass(typeof o.ghost == 'string' ? o.ghost : '');

    self.ghost.appendTo(self.helper);

  },

  resize: function(event, ui){
    var self = $(this).data("resizable"), o = self.options;
    if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
  },

  stop: function(event, ui){
    var self = $(this).data("resizable"), o = self.options;
    if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
  }

});

$.ui.plugin.add("resizable", "grid", {

  resize: function(event, ui) {
    var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
    o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
    var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);

    if (/^(se|s|e)$/.test(a)) {
      self.size.width = os.width + ox;
      self.size.height = os.height + oy;
    }
    else if (/^(ne)$/.test(a)) {
      self.size.width = os.width + ox;
      self.size.height = os.height + oy;
      self.position.top = op.top - oy;
    }
    else if (/^(sw)$/.test(a)) {
      self.size.width = os.width + ox;
      self.size.height = os.height + oy;
      self.position.left = op.left - ox;
    }
    else {
      self.size.width = os.width + ox;
      self.size.height = os.height + oy;
      self.position.top = op.top - oy;
      self.position.left = op.left - ox;
    }
  }

});

var num = function(v) {
  return parseInt(v, 10) || 0;
};

var isNumber = function(value) {
  return !isNaN(parseInt(value, 10));
};

})(jQuery);
/*
 * jQuery UI Selectable 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Selectables
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.mouse.js
 *  jquery.ui.widget.js
 */
(function($, undefined) {

$.widget("ui.selectable", $.ui.mouse, {
  options: {
    appendTo: 'body',
    autoRefresh: true,
    distance: 0,
    filter: '*',
    tolerance: 'touch'
  },
  _create: function() {
    var self = this;

    this.element.addClass("ui-selectable");

    this.dragged = false;

    // cache selectee children based on filter
    var selectees;
    this.refresh = function() {
      selectees = $(self.options.filter, self.element[0]);
      selectees.each(function() {
        var $this = $(this);
        var pos = $this.offset();
        $.data(this, "selectable-item", {
          element: this,
          $element: $this,
          left: pos.left,
          top: pos.top,
          right: pos.left + $this.outerWidth(),
          bottom: pos.top + $this.outerHeight(),
          startselected: false,
          selected: $this.hasClass('ui-selected'),
          selecting: $this.hasClass('ui-selecting'),
          unselecting: $this.hasClass('ui-unselecting')
        });
      });
    };
    this.refresh();

    this.selectees = selectees.addClass("ui-selectee");

    this._mouseInit();

    this.helper = $("<div class='ui-selectable-helper'></div>");
  },

  destroy: function() {
    this.selectees
      .removeClass("ui-selectee")
      .removeData("selectable-item");
    this.element
      .removeClass("ui-selectable ui-selectable-disabled")
      .removeData("selectable")
      .unbind(".selectable");
    this._mouseDestroy();

    return this;
  },

  _mouseStart: function(event) {
    var self = this;

    this.opos = [event.pageX, event.pageY];

    if (this.options.disabled)
      return;

    var options = this.options;

    this.selectees = $(options.filter, this.element[0]);

    this._trigger("start", event);

    $(options.appendTo).append(this.helper);
    // position helper (lasso)
    this.helper.css({
      "left": event.clientX,
      "top": event.clientY,
      "width": 0,
      "height": 0
    });

    if (options.autoRefresh) {
      this.refresh();
    }

    this.selectees.filter('.ui-selected').each(function() {
      var selectee = $.data(this, "selectable-item");
      selectee.startselected = true;
      if (!event.metaKey) {
        selectee.$element.removeClass('ui-selected');
        selectee.selected = false;
        selectee.$element.addClass('ui-unselecting');
        selectee.unselecting = true;
        // selectable UNSELECTING callback
        self._trigger("unselecting", event, {
          unselecting: selectee.element
        });
      }
    });

    $(event.target).parents().andSelf().each(function() {
      var selectee = $.data(this, "selectable-item");
      if (selectee) {
        var doSelect = !event.metaKey || !selectee.$element.hasClass('ui-selected');
        selectee.$element
          .removeClass(doSelect ? "ui-unselecting" : "ui-selected")
          .addClass(doSelect ? "ui-selecting" : "ui-unselecting");
        selectee.unselecting = !doSelect;
        selectee.selecting = doSelect;
        selectee.selected = doSelect;
        // selectable (UN)SELECTING callback
        if (doSelect) {
          self._trigger("selecting", event, {
            selecting: selectee.element
          });
        } else {
          self._trigger("unselecting", event, {
            unselecting: selectee.element
          });
        }
        return false;
      }
    });

  },

  _mouseDrag: function(event) {
    var self = this;
    this.dragged = true;

    if (this.options.disabled)
      return;

    var options = this.options;

    var x1 = this.opos[0], y1 = this.opos[1], x2 = event.pageX, y2 = event.pageY;
    if (x1 > x2) { var tmp = x2; x2 = x1; x1 = tmp; }
    if (y1 > y2) { var tmp = y2; y2 = y1; y1 = tmp; }
    this.helper.css({left: x1, top: y1, width: x2-x1, height: y2-y1});

    this.selectees.each(function() {
      var selectee = $.data(this, "selectable-item");
      //prevent helper from being selected if appendTo: selectable
      if (!selectee || selectee.element == self.element[0])
        return;
      var hit = false;
      if (options.tolerance == 'touch') {
        hit = (!(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1));
      } else if (options.tolerance == 'fit') {
        hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
      }

      if (hit) {
        // SELECT
        if (selectee.selected) {
          selectee.$element.removeClass('ui-selected');
          selectee.selected = false;
        }
        if (selectee.unselecting) {
          selectee.$element.removeClass('ui-unselecting');
          selectee.unselecting = false;
        }
        if (!selectee.selecting) {
          selectee.$element.addClass('ui-selecting');
          selectee.selecting = true;
          // selectable SELECTING callback
          self._trigger("selecting", event, {
            selecting: selectee.element
          });
        }
      } else {
        // UNSELECT
        if (selectee.selecting) {
          if (event.metaKey && selectee.startselected) {
            selectee.$element.removeClass('ui-selecting');
            selectee.selecting = false;
            selectee.$element.addClass('ui-selected');
            selectee.selected = true;
          } else {
            selectee.$element.removeClass('ui-selecting');
            selectee.selecting = false;
            if (selectee.startselected) {
              selectee.$element.addClass('ui-unselecting');
              selectee.unselecting = true;
            }
            // selectable UNSELECTING callback
            self._trigger("unselecting", event, {
              unselecting: selectee.element
            });
          }
        }
        if (selectee.selected) {
          if (!event.metaKey && !selectee.startselected) {
            selectee.$element.removeClass('ui-selected');
            selectee.selected = false;

            selectee.$element.addClass('ui-unselecting');
            selectee.unselecting = true;
            // selectable UNSELECTING callback
            self._trigger("unselecting", event, {
              unselecting: selectee.element
            });
          }
        }
      }
    });

    return false;
  },

  _mouseStop: function(event) {
    var self = this;

    this.dragged = false;

    var options = this.options;

    $('.ui-unselecting', this.element[0]).each(function() {
      var selectee = $.data(this, "selectable-item");
      selectee.$element.removeClass('ui-unselecting');
      selectee.unselecting = false;
      selectee.startselected = false;
      self._trigger("unselected", event, {
        unselected: selectee.element
      });
    });
    $('.ui-selecting', this.element[0]).each(function() {
      var selectee = $.data(this, "selectable-item");
      selectee.$element.removeClass('ui-selecting').addClass('ui-selected');
      selectee.selecting = false;
      selectee.selected = true;
      selectee.startselected = true;
      self._trigger("selected", event, {
        selected: selectee.element
      });
    });
    this._trigger("stop", event);

    this.helper.remove();

    return false;
  }

});

$.extend($.ui.selectable, {
  version: "1.8.11"
});

})(jQuery);
/*
 * jQuery UI Sortable 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Sortables
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.mouse.js
 *  jquery.ui.widget.js
 */
(function($, undefined) {

$.widget("ui.sortable", $.ui.mouse, {
  widgetEventPrefix: "sort",
  options: {
    appendTo: "parent",
    axis: false,
    connectWith: false,
    containment: false,
    cursor: 'auto',
    cursorAt: false,
    dropOnEmpty: true,
    forcePlaceholderSize: false,
    forceHelperSize: false,
    grid: false,
    handle: false,
    helper: "original",
    items: '> *',
    opacity: false,
    placeholder: false,
    revert: false,
    scroll: true,
    scrollSensitivity: 20,
    scrollSpeed: 20,
    scope: "default",
    tolerance: "intersect",
    zIndex: 1000
  },
  _create: function() {

    var o = this.options;
    this.containerCache = {};
    this.element.addClass("ui-sortable");

    //Get the items
    this.refresh();

    //Let's determine if the items are being displayed horizontally
    this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) || (/inline|table-cell/).test(this.items[0].item.css('display')) : false;

    //Let's determine the parent's offset
    this.offset = this.element.offset();

    //Initialize mouse events for interaction
    this._mouseInit();

  },

  destroy: function() {
    this.element
      .removeClass("ui-sortable ui-sortable-disabled")
      .removeData("sortable")
      .unbind(".sortable");
    this._mouseDestroy();

    for (var i = this.items.length - 1; i >= 0; i--)
      this.items[i].item.removeData("sortable-item");

    return this;
  },

  _setOption: function(key, value){
    if (key === "disabled") {
      this.options[ key ] = value;
  
      this.widget()
        [ value ? "addClass" : "removeClass"]("ui-sortable-disabled");
    } else {
      // Don't call widget base _setOption for disable as it adds ui-state-disabled class
      $.Widget.prototype._setOption.apply(this, arguments);
    }
  },

  _mouseCapture: function(event, overrideHandle) {

    if (this.reverting) {
      return false;
    }

    if(this.options.disabled || this.options.type == 'static') return false;

    //We have to refresh the items data once first
    this._refreshItems(event);

    //Find out if the clicked node (or one of its parents) is a actual item in this.items
    var currentItem = null, self = this, nodes = $(event.target).parents().each(function() {
      if($.data(this, 'sortable-item') == self) {
        currentItem = $(this);
        return false;
      }
    });
    if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target);

    if(!currentItem) return false;
    if(this.options.handle && !overrideHandle) {
      var validHandle = false;

      $(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == event.target) validHandle = true; });
      if(!validHandle) return false;
    }

    this.currentItem = currentItem;
    this._removeCurrentsFromItems();
    return true;

  },

  _mouseStart: function(event, overrideHandle, noActivation) {

    var o = this.options, self = this;
    this.currentContainer = this;

    //We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
    this.refreshPositions();

    //Create and append the visible helper
    this.helper = this._createHelper(event);

    //Cache the helper size
    this._cacheHelperProportions();

    /*
     * - Position generation -
     * This block generates everything position related - it's the core of draggables.
     */

    //Cache the margins of the original element
    this._cacheMargins();

    //Get the next scrolling parent
    this.scrollParent = this.helper.scrollParent();

    //The element's absolute position on the page minus margins
    this.offset = this.currentItem.offset();
    this.offset = {
      top: this.offset.top - this.margins.top,
      left: this.offset.left - this.margins.left
    };

    // Only after we got the offset, we can change the helper's position to absolute
    // TODO: Still need to figure out a way to make relative sorting possible
    this.helper.css("position", "absolute");
    this.cssPosition = this.helper.css("position");

    $.extend(this.offset, {
      click: { //Where the click happened, relative to the element
        left: event.pageX - this.offset.left,
        top: event.pageY - this.offset.top
      },
      parent: this._getParentOffset(),
      relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
    });

    //Generate the original position
    this.originalPosition = this._generatePosition(event);
    this.originalPageX = event.pageX;
    this.originalPageY = event.pageY;

    //Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
    (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));

    //Cache the former DOM position
    this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };

    //If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
    if(this.helper[0] != this.currentItem[0]) {
      this.currentItem.hide();
    }

    //Create the placeholder
    this._createPlaceholder();

    //Set a containment if given in the options
    if(o.containment)
      this._setContainment();

    if(o.cursor) { // cursor option
      if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");
      $('body').css("cursor", o.cursor);
    }

    if(o.opacity) { // opacity option
      if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");
      this.helper.css("opacity", o.opacity);
    }

    if(o.zIndex) { // zIndex option
      if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");
      this.helper.css("zIndex", o.zIndex);
    }

    //Prepare scrolling
    if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')
      this.overflowOffset = this.scrollParent.offset();

    //Call callbacks
    this._trigger("start", event, this._uiHash());

    //Recache the helper size
    if(!this._preserveHelperProportions)
      this._cacheHelperProportions();


    //Post 'activate' events to possible containers
    if(!noActivation) {
       for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }
    }

    //Prepare possible droppables
    if($.ui.ddmanager)
      $.ui.ddmanager.current = this;

    if ($.ui.ddmanager && !o.dropBehaviour)
      $.ui.ddmanager.prepareOffsets(this, event);

    this.dragging = true;

    this.helper.addClass("ui-sortable-helper");
    this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
    return true;

  },

  _mouseDrag: function(event) {

    //Compute the helpers position
    this.position = this._generatePosition(event);
    this.positionAbs = this._convertPositionTo("absolute");

    if (!this.lastPositionAbs) {
      this.lastPositionAbs = this.positionAbs;
    }

    //Do scrolling
    if(this.options.scroll) {
      var o = this.options, scrolled = false;
      if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {

        if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
          this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
        else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
          this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;

        if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
          this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
        else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
          this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;

      } else {

        if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
          scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
        else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
          scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);

        if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
          scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
        else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
          scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);

      }

      if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
        $.ui.ddmanager.prepareOffsets(this, event);
    }

    //Regenerate the absolute position used for position checks
    this.positionAbs = this._convertPositionTo("absolute");

    //Set the helper position
    if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
    if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';

    //Rearrange
    for (var i = this.items.length - 1; i >= 0; i--) {

      //Cache variables and intersection, continue if no intersection
      var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
      if (!intersection) continue;

      if(itemElement != this.currentItem[0] //cannot intersect with itself
        &&  this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
        &&  !$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
        && (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)
        //&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container
     ) {

        this.direction = intersection == 1 ? "down" : "up";

        if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
          this._rearrange(event, item);
        } else {
          break;
        }

        this._trigger("change", event, this._uiHash());
        break;
      }
    }

    //Post events to containers
    this._contactContainers(event);

    //Interconnect with droppables
    if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);

    //Call callbacks
    this._trigger('sort', event, this._uiHash());

    this.lastPositionAbs = this.positionAbs;
    return false;

  },

  _mouseStop: function(event, noPropagation) {

    if(!event) return;

    //If we are using droppables, inform the manager about the drop
    if ($.ui.ddmanager && !this.options.dropBehaviour)
      $.ui.ddmanager.drop(this, event);

    if(this.options.revert) {
      var self = this;
      var cur = self.placeholder.offset();

      self.reverting = true;

      $(this.helper).animate({
        left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
        top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
      }, parseInt(this.options.revert, 10) || 500, function() {
        self._clear(event);
      });
    } else {
      this._clear(event, noPropagation);
    }

    return false;

  },

  cancel: function() {

    var self = this;

    if(this.dragging) {

      this._mouseUp({ target: null });

      if(this.options.helper == "original")
        this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
      else
        this.currentItem.show();

      //Post deactivating events to containers
      for (var i = this.containers.length - 1; i >= 0; i--){
        this.containers[i]._trigger("deactivate", null, self._uiHash(this));
        if(this.containers[i].containerCache.over) {
          this.containers[i]._trigger("out", null, self._uiHash(this));
          this.containers[i].containerCache.over = 0;
        }
      }

    }

    if (this.placeholder) {
      //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
      if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
      if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();

      $.extend(this, {
        helper: null,
        dragging: false,
        reverting: false,
        _noFinalSort: null
      });

      if(this.domPosition.prev) {
        $(this.domPosition.prev).after(this.currentItem);
      } else {
        $(this.domPosition.parent).prepend(this.currentItem);
      }
    }

    return this;

  },

  serialize: function(o) {

    var items = this._getItemsAsjQuery(o && o.connected);
    var str = []; o = o || {};

    $(items).each(function() {
      var res = ($(o.item || this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
      if(res) str.push((o.key || res[1]+'[]')+'='+(o.key && o.expression ? res[1] : res[2]));
    });

    if(!str.length && o.key) {
      str.push(o.key + '=');
    }

    return str.join('&');

  },

  toArray: function(o) {

    var items = this._getItemsAsjQuery(o && o.connected);
    var ret = []; o = o || {};

    items.each(function() { ret.push($(o.item || this).attr(o.attribute || 'id') || ''); });
    return ret;

  },

  /* Be careful with the following core functions */
  _intersectsWith: function(item) {

    var x1 = this.positionAbs.left,
      x2 = x1 + this.helperProportions.width,
      y1 = this.positionAbs.top,
      y2 = y1 + this.helperProportions.height;

    var l = item.left,
      r = l + item.width,
      t = item.top,
      b = t + item.height;

    var dyClick = this.offset.click.top,
      dxClick = this.offset.click.left;

    var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;

    if(    this.options.tolerance == "pointer"
      || this.options.forcePointerForContainers
      || (this.options.tolerance != "pointer" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])
   ) {
      return isOverElement;
    } else {

      return (l < x1 + (this.helperProportions.width / 2) // Right Half
        && x2 - (this.helperProportions.width / 2) < r // Left Half
        && t < y1 + (this.helperProportions.height / 2) // Bottom Half
        && y2 - (this.helperProportions.height / 2) < b); // Top Half

    }
  },

  _intersectsWithPointer: function(item) {

    var isOverElementHeight = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
      isOverElementWidth = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
      isOverElement = isOverElementHeight && isOverElementWidth,
      verticalDirection = this._getDragVerticalDirection(),
      horizontalDirection = this._getDragHorizontalDirection();

    if (!isOverElement)
      return false;

    return this.floating ?
      (((horizontalDirection && horizontalDirection == "right") || verticalDirection == "down") ? 2 : 1)
      : (verticalDirection && (verticalDirection == "down" ? 2 : 1));

  },

  _intersectsWithSides: function(item) {

    var isOverBottomHalf = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
      isOverRightHalf = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
      verticalDirection = this._getDragVerticalDirection(),
      horizontalDirection = this._getDragHorizontalDirection();

    if (this.floating && horizontalDirection) {
      return ((horizontalDirection == "right" && isOverRightHalf) || (horizontalDirection == "left" && !isOverRightHalf));
    } else {
      return verticalDirection && ((verticalDirection == "down" && isOverBottomHalf) || (verticalDirection == "up" && !isOverBottomHalf));
    }

  },

  _getDragVerticalDirection: function() {
    var delta = this.positionAbs.top - this.lastPositionAbs.top;
    return delta != 0 && (delta > 0 ? "down" : "up");
  },

  _getDragHorizontalDirection: function() {
    var delta = this.positionAbs.left - this.lastPositionAbs.left;
    return delta != 0 && (delta > 0 ? "right" : "left");
  },

  refresh: function(event) {
    this._refreshItems(event);
    this.refreshPositions();
    return this;
  },

  _connectWith: function() {
    var options = this.options;
    return options.connectWith.constructor == String
      ? [options.connectWith]
      : options.connectWith;
  },
  
  _getItemsAsjQuery: function(connected) {

    var self = this;
    var items = [];
    var queries = [];
    var connectWith = this._connectWith();

    if(connectWith && connected) {
      for (var i = connectWith.length - 1; i >= 0; i--){
        var cur = $(connectWith[i]);
        for (var j = cur.length - 1; j >= 0; j--){
          var inst = $.data(cur[j], 'sortable');
          if(inst && inst != this && !inst.options.disabled) {
            queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not('.ui-sortable-placeholder'), inst]);
          }
        };
      };
    }

    queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not('.ui-sortable-placeholder'), this]);

    for (var i = queries.length - 1; i >= 0; i--){
      queries[i][0].each(function() {
        items.push(this);
      });
    };

    return $(items);

  },

  _removeCurrentsFromItems: function() {

    var list = this.currentItem.find(":data(sortable-item)");

    for (var i=0; i < this.items.length; i++) {

      for (var j=0; j < list.length; j++) {
        if(list[j] == this.items[i].item[0])
          this.items.splice(i,1);
      };

    };

  },

  _refreshItems: function(event) {

    this.items = [];
    this.containers = [this];
    var items = this.items;
    var self = this;
    var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]];
    var connectWith = this._connectWith();

    if(connectWith) {
      for (var i = connectWith.length - 1; i >= 0; i--){
        var cur = $(connectWith[i]);
        for (var j = cur.length - 1; j >= 0; j--){
          var inst = $.data(cur[j], 'sortable');
          if(inst && inst != this && !inst.options.disabled) {
            queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
            this.containers.push(inst);
          }
        };
      };
    }

    for (var i = queries.length - 1; i >= 0; i--) {
      var targetData = queries[i][1];
      var _queries = queries[i][0];

      for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) {
        var item = $(_queries[j]);

        item.data('sortable-item', targetData); // Data for target checking (mouse manager)

        items.push({
          item: item,
          instance: targetData,
          width: 0, height: 0,
          left: 0, top: 0
        });
      };
    };

  },

  refreshPositions: function(fast) {

    //This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
    if(this.offsetParent && this.helper) {
      this.offset.parent = this._getParentOffset();
    }

    for (var i = this.items.length - 1; i >= 0; i--){
      var item = this.items[i];

      var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;

      if (!fast) {
        item.width = t.outerWidth();
        item.height = t.outerHeight();
      }

      var p = t.offset();
      item.left = p.left;
      item.top = p.top;
    };

    if(this.options.custom && this.options.custom.refreshContainers) {
      this.options.custom.refreshContainers.call(this);
    } else {
      for (var i = this.containers.length - 1; i >= 0; i--){
        var p = this.containers[i].element.offset();
        this.containers[i].containerCache.left = p.left;
        this.containers[i].containerCache.top = p.top;
        this.containers[i].containerCache.width  = this.containers[i].element.outerWidth();
        this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
      };
    }

    return this;
  },

  _createPlaceholder: function(that) {

    var self = that || this, o = self.options;

    if(!o.placeholder || o.placeholder.constructor == String) {
      var className = o.placeholder;
      o.placeholder = {
        element: function() {

          var el = $(document.createElement(self.currentItem[0].nodeName))
            .addClass(className || self.currentItem[0].className+" ui-sortable-placeholder")
            .removeClass("ui-sortable-helper")[0];

          if(!className)
            el.style.visibility = "hidden";

          return el;
        },
        update: function(container, p) {

          // 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
          // 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
          if(className && !o.forcePlaceholderSize) return;

          //If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
          if(!p.height()) { p.height(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')||0, 10) - parseInt(self.currentItem.css('paddingBottom')||0, 10)); };
          if(!p.width()) { p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')||0, 10) - parseInt(self.currentItem.css('paddingRight')||0, 10)); };
        }
      };
    }

    //Create the placeholder
    self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));

    //Append it after the actual current item
    self.currentItem.after(self.placeholder);

    //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
    o.placeholder.update(self, self.placeholder);

  },

  _contactContainers: function(event) {
    
    // get innermost container that intersects with item 
    var innermostContainer = null, innermostIndex = null;    
    
    
    for (var i = this.containers.length - 1; i >= 0; i--){

      // never consider a container that's located within the item itself 
      if($.ui.contains(this.currentItem[0], this.containers[i].element[0]))
        continue;

      if(this._intersectsWith(this.containers[i].containerCache)) {

        // if we've already found a container and it's more "inner" than this, then continue 
        if(innermostContainer && $.ui.contains(this.containers[i].element[0], innermostContainer.element[0]))
          continue;

        innermostContainer = this.containers[i]; 
        innermostIndex = i;
          
      } else {
        // container doesn't intersect. trigger "out" event if necessary 
        if(this.containers[i].containerCache.over) {
          this.containers[i]._trigger("out", event, this._uiHash(this));
          this.containers[i].containerCache.over = 0;
        }
      }

    }
    
    // if no intersecting containers found, return 
    if(!innermostContainer) return; 

    // move the item into the container if it's not there already
    if(this.containers.length === 1) {
      this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
      this.containers[innermostIndex].containerCache.over = 1;
    } else if(this.currentContainer != this.containers[innermostIndex]) { 

      //When entering a new container, we will find the item with the least distance and append our item near it 
      var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[innermostIndex].floating ? 'left' : 'top']; 
      for (var j = this.items.length - 1; j >= 0; j--) { 
        if(!$.ui.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) continue; 
        var cur = this.items[j][this.containers[innermostIndex].floating ? 'left' : 'top']; 
        if(Math.abs(cur - base) < dist) { 
          dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j]; 
        } 
      } 

      if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled 
        return; 

      this.currentContainer = this.containers[innermostIndex]; 
      itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true); 
      this._trigger("change", event, this._uiHash()); 
      this.containers[innermostIndex]._trigger("change", event, this._uiHash(this)); 

      //Update the placeholder 
      this.options.placeholder.update(this.currentContainer, this.placeholder); 
    
      this.containers[innermostIndex]._trigger("over", event, this._uiHash(this)); 
      this.containers[innermostIndex].containerCache.over = 1;
    } 
  
    
  },

  _createHelper: function(event) {

    var o = this.options;
    var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem);

    if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
      $(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);

    if(helper[0] == this.currentItem[0])
      this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };

    if(helper[0].style.width == '' || o.forceHelperSize) helper.width(this.currentItem.width());
    if(helper[0].style.height == '' || o.forceHelperSize) helper.height(this.currentItem.height());

    return helper;

  },

  _adjustOffsetFromHelper: function(obj) {
    if (typeof obj == 'string') {
      obj = obj.split(' ');
    }
    if ($.isArray(obj)) {
      obj = {left: +obj[0], top: +obj[1] || 0};
    }
    if ('left' in obj) {
      this.offset.click.left = obj.left + this.margins.left;
    }
    if ('right' in obj) {
      this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
    }
    if ('top' in obj) {
      this.offset.click.top = obj.top + this.margins.top;
    }
    if ('bottom' in obj) {
      this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
    }
  },

  _getParentOffset: function() {


    //Get the offsetParent and cache its position
    this.offsetParent = this.helper.offsetParent();
    var po = this.offsetParent.offset();

    // This is a special case where we need to modify a offset calculated on start, since the following happened:
    // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
    // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
    //    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
    if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) {
      po.left += this.scrollParent.scrollLeft();
      po.top += this.scrollParent.scrollTop();
    }

    if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
    || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
      po = { top: 0, left: 0 };

    return {
      top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
      left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
    };

  },

  _getRelativeOffset: function() {

    if(this.cssPosition == "relative") {
      var p = this.currentItem.position();
      return {
        top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
        left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
      };
    } else {
      return { top: 0, left: 0 };
    }

  },

  _cacheMargins: function() {
    this.margins = {
      left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
      top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
    };
  },

  _cacheHelperProportions: function() {
    this.helperProportions = {
      width: this.helper.outerWidth(),
      height: this.helper.outerHeight()
    };
  },

  _setContainment: function() {

    var o = this.options;
    if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
    if(o.containment == 'document' || o.containment == 'window') this.containment = [
      0 - this.offset.relative.left - this.offset.parent.left,
      0 - this.offset.relative.top - this.offset.parent.top,
      $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
      ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
    ];

    if(!(/^(document|window|parent)$/).test(o.containment)) {
      var ce = $(o.containment)[0];
      var co = $(o.containment).offset();
      var over = ($(ce).css("overflow") != 'hidden');

      this.containment = [
        co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
        co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
        co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
        co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
      ];
    }

  },

  _convertPositionTo: function(d, pos) {

    if(!pos) pos = this.position;
    var mod = d == "absolute" ? 1 : -1;
    var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

    return {
      top: (
        pos.top                                  // The absolute mouse position
        + this.offset.relative.top * mod                    // Only for relative positioned nodes: Relative offset from element to offset parent
        + this.offset.parent.top * mod                      // The offsetParent's offset without borders (offset + border)
        - ($.browser.safari && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : (scrollIsRootNode ? 0 : scroll.scrollTop())) * mod)
     ),
      left: (
        pos.left                                // The absolute mouse position
        + this.offset.relative.left * mod                    // Only for relative positioned nodes: Relative offset from element to offset parent
        + this.offset.parent.left * mod                      // The offsetParent's offset without borders (offset + border)
        - ($.browser.safari && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft()) * mod)
     )
    };

  },

  _generatePosition: function(event) {

    var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

    // This is another very weird special case that only happens for relative elements:
    // 1. If the css position is relative
    // 2. and the scroll parent is the document or similar to the offset parent
    // we have to refresh the relative offset during the scroll so there are no jumps
    if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
      this.offset.relative = this._getRelativeOffset();
    }

    var pageX = event.pageX;
    var pageY = event.pageY;

    /*
     * - Position constraining -
     * Constrain the position to a mix of grid, containment.
     */

    if(this.originalPosition) { //If we are not dragging yet, we won't check for options

      if(this.containment) {
        if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
        if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
        if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
        if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
      }

      if(o.grid) {
        var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
        pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;

        var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
        pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
      }

    }

    return {
      top: (
        pageY                                // The absolute mouse position
        - this.offset.click.top                          // Click offset (relative to the element)
        - this.offset.relative.top                        // Only for relative positioned nodes: Relative offset from element to offset parent
        - this.offset.parent.top                        // The offsetParent's offset without borders (offset + border)
        + ($.browser.safari && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : (scrollIsRootNode ? 0 : scroll.scrollTop())))
     ),
      left: (
        pageX                                // The absolute mouse position
        - this.offset.click.left                        // Click offset (relative to the element)
        - this.offset.relative.left                        // Only for relative positioned nodes: Relative offset from element to offset parent
        - this.offset.parent.left                        // The offsetParent's offset without borders (offset + border)
        + ($.browser.safari && this.cssPosition == 'fixed' ? 0 : (this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft()))
     )
    };

  },

  _rearrange: function(event, i, a, hardRefresh) {

    a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));

    //Various things done here to improve the performance:
    // 1. we create a setTimeout, that calls refreshPositions
    // 2. on the instance, we have a counter variable, that get's higher after every append
    // 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
    // 4. this lets only the last addition to the timeout stack through
    this.counter = this.counter ? ++this.counter : 1;
    var self = this, counter = this.counter;

    window.setTimeout(function() {
      if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
    },0);

  },

  _clear: function(event, noPropagation) {

    this.reverting = false;
    // We delay all events that have to be triggered to after the point where the placeholder has been removed and
    // everything else normalized again
    var delayedTriggers = [], self = this;

    // We first have to update the dom position of the actual currentItem
    // Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
    if(!this._noFinalSort && this.currentItem[0].parentNode) this.placeholder.before(this.currentItem);
    this._noFinalSort = null;

    if(this.helper[0] == this.currentItem[0]) {
      for(var i in this._storedCSS) {
        if(this._storedCSS[i] == 'auto' || this._storedCSS[i] == 'static') this._storedCSS[i] = '';
      }
      this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
    } else {
      this.currentItem.show();
    }

    if(this.fromOutside && !noPropagation) delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
    if((this.fromOutside || this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) && !noPropagation) delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
    if(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
      if(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
      for (var i = this.containers.length - 1; i >= 0; i--){
        if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) {
          delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
          delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.containers[i]));
        }
      };
    };

    //Post events to containers
    for (var i = this.containers.length - 1; i >= 0; i--){
      if(!noPropagation) delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
      if(this.containers[i].containerCache.over) {
        delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
        this.containers[i].containerCache.over = 0;
      }
    }

    //Do what was originally in plugins
    if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor
    if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset opacity
    if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index

    this.dragging = false;
    if(this.cancelHelperRemoval) {
      if(!noPropagation) {
        this._trigger("beforeStop", event, this._uiHash());
        for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
        this._trigger("stop", event, this._uiHash());
      }
      return false;
    }

    if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());

    //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
    this.placeholder[0].parentNode.removeChild(this.placeholder[0]);

    if(this.helper[0] != this.currentItem[0]) this.helper.remove(); this.helper = null;

    if(!noPropagation) {
      for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
      this._trigger("stop", event, this._uiHash());
    }

    this.fromOutside = false;
    return true;

  },

  _trigger: function() {
    if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
      this.cancel();
    }
  },

  _uiHash: function(inst) {
    var self = inst || this;
    return {
      helper: self.helper,
      placeholder: self.placeholder || $([]),
      position: self.position,
      originalPosition: self.originalPosition,
      offset: self.positionAbs,
      item: self.currentItem,
      sender: inst ? inst.element : null
    };
  }

});

$.extend($.ui.sortable, {
  version: "1.8.11"
});

})(jQuery);
/*
 * jQuery UI Button 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Button
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.widget.js
 */
(function($, undefined) {

var lastActive,
  baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
  stateClasses = "ui-state-hover ui-state-active ",
  typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
  formResetHandler = function(event) {
    $(":ui-button", event.target.form).each(function() {
      var inst = $(this).data("button");
      setTimeout(function() {
        inst.refresh();
      }, 1);
    });
  },
  radioGroup = function(radio) {
    var name = radio.name,
      form = radio.form,
      radios = $([]);
    if (name) {
      if (form) {
        radios = $(form).find("[name='" + name + "']");
      } else {
        radios = $("[name='" + name + "']", radio.ownerDocument)
          .filter(function() {
            return !this.form;
          });
      }
    }
    return radios;
  };

$.widget("ui.button", {
  options: {
    disabled: null,
    text: true,
    label: null,
    icons: {
      primary: null,
      secondary: null
    }
  },
  _create: function() {
    this.element.closest("form")
      .unbind("reset.button")
      .bind("reset.button", formResetHandler);

    if (typeof this.options.disabled !== "boolean") {
      this.options.disabled = this.element.attr("disabled");
    }

    this._determineButtonType();
    this.hasTitle = !!this.buttonElement.attr("title");

    var self = this,
      options = this.options,
      toggleButton = this.type === "checkbox" || this.type === "radio",
      hoverClass = "ui-state-hover" + (!toggleButton ? " ui-state-active" : ""),
      focusClass = "ui-state-focus";

    if (options.label === null) {
      options.label = this.buttonElement.html();
    }

    if (this.element.is(":disabled")) {
      options.disabled = true;
    }

    this.buttonElement
      .addClass(baseClasses)
      .attr("role", "button")
      .bind("mouseenter.button", function() {
        if (options.disabled) {
          return;
        }
        $(this).addClass("ui-state-hover");
        if (this === lastActive) {
          $(this).addClass("ui-state-active");
        }
      })
      .bind("mouseleave.button", function() {
        if (options.disabled) {
          return;
        }
        $(this).removeClass(hoverClass);
      })
      .bind("focus.button", function() {
        // no need to check disabled, focus won't be triggered anyway
        $(this).addClass(focusClass);
      })
      .bind("blur.button", function() {
        $(this).removeClass(focusClass);
      });

    if (toggleButton) {
      this.element.bind("change.button", function() {
        self.refresh();
      });
    }

    if (this.type === "checkbox") {
      this.buttonElement.bind("click.button", function() {
        if (options.disabled) {
          return false;
        }
        $(this).toggleClass("ui-state-active");
        self.buttonElement.attr("aria-pressed", self.element[0].checked);
      });
    } else if (this.type === "radio") {
      this.buttonElement.bind("click.button", function() {
        if (options.disabled) {
          return false;
        }
        $(this).addClass("ui-state-active");
        self.buttonElement.attr("aria-pressed", true);

        var radio = self.element[ 0 ];
        radioGroup(radio)
          .not(radio)
          .map(function() {
            return $(this).button("widget")[ 0 ];
          })
          .removeClass("ui-state-active")
          .attr("aria-pressed", false);
      });
    } else {
      this.buttonElement
        .bind("mousedown.button", function() {
          if (options.disabled) {
            return false;
          }
          $(this).addClass("ui-state-active");
          lastActive = this;
          $(document).one("mouseup", function() {
            lastActive = null;
          });
        })
        .bind("mouseup.button", function() {
          if (options.disabled) {
            return false;
          }
          $(this).removeClass("ui-state-active");
        })
        .bind("keydown.button", function(event) {
          if (options.disabled) {
            return false;
          }
          if (event.keyCode == $.ui.keyCode.SPACE || event.keyCode == $.ui.keyCode.ENTER) {
            $(this).addClass("ui-state-active");
          }
        })
        .bind("keyup.button", function() {
          $(this).removeClass("ui-state-active");
        });

      if (this.buttonElement.is("a")) {
        this.buttonElement.keyup(function(event) {
          if (event.keyCode === $.ui.keyCode.SPACE) {
            // TODO pass through original event correctly (just as 2nd argument doesn't work)
            $(this).click();
          }
        });
      }
    }

    // TODO: pull out $.Widget's handling for the disabled option into
    // $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
    // be overridden by individual plugins
    this._setOption("disabled", options.disabled);
  },

  _determineButtonType: function() {
    
    if (this.element.is(":checkbox")) {
      this.type = "checkbox";
    } else {
      if (this.element.is(":radio")) {
        this.type = "radio";
      } else {
        if (this.element.is("input")) {
          this.type = "input";
        } else {
          this.type = "button";
        }
      }
    }
    
    if (this.type === "checkbox" || this.type === "radio") {
      // we don't search against the document in case the element
      // is disconnected from the DOM
      var ancestor = this.element.parents().filter(":last"),
        labelSelector = "label[for=" + this.element.attr("id") + "]";
      this.buttonElement = ancestor.find(labelSelector);
      if (!this.buttonElement.length) {
        ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
        this.buttonElement = ancestor.filter(labelSelector);
        if (!this.buttonElement.length) {
          this.buttonElement = ancestor.find(labelSelector);
        }
      }
      this.element.addClass("ui-helper-hidden-accessible");

      var checked = this.element.is(":checked");
      if (checked) {
        this.buttonElement.addClass("ui-state-active");
      }
      this.buttonElement.attr("aria-pressed", checked);
    } else {
      this.buttonElement = this.element;
    }
  },

  widget: function() {
    return this.buttonElement;
  },

  destroy: function() {
    this.element
      .removeClass("ui-helper-hidden-accessible");
    this.buttonElement
      .removeClass(baseClasses + " " + stateClasses + " " + typeClasses)
      .removeAttr("role")
      .removeAttr("aria-pressed")
      .html(this.buttonElement.find(".ui-button-text").html());

    if (!this.hasTitle) {
      this.buttonElement.removeAttr("title");
    }

    $.Widget.prototype.destroy.call(this);
  },

  _setOption: function(key, value) {
    $.Widget.prototype._setOption.apply(this, arguments);
    if (key === "disabled") {
      if (value) {
        this.element.attr("disabled", true);
      } else {
        this.element.removeAttr("disabled");
      }
    }
    this._resetButton();
  },

  refresh: function() {
    var isDisabled = this.element.is(":disabled");
    if (isDisabled !== this.options.disabled) {
      this._setOption("disabled", isDisabled);
    }
    if (this.type === "radio") {
      radioGroup(this.element[0]).each(function() {
        if ($(this).is(":checked")) {
          $(this).button("widget")
            .addClass("ui-state-active")
            .attr("aria-pressed", true);
        } else {
          $(this).button("widget")
            .removeClass("ui-state-active")
            .attr("aria-pressed", false);
        }
      });
    } else if (this.type === "checkbox") {
      if (this.element.is(":checked")) {
        this.buttonElement
          .addClass("ui-state-active")
          .attr("aria-pressed", true);
      } else {
        this.buttonElement
          .removeClass("ui-state-active")
          .attr("aria-pressed", false);
      }
    }
  },

  _resetButton: function() {
    if (this.type === "input") {
      if (this.options.label) {
        this.element.val(this.options.label);
      }
      return;
    }
    var buttonElement = this.buttonElement.removeClass(typeClasses),
      buttonText = $("<span></span>")
        .addClass("ui-button-text")
        .html(this.options.label)
        .appendTo(buttonElement.empty())
        .text(),
      icons = this.options.icons,
      multipleIcons = icons.primary && icons.secondary,
      buttonClasses = [];  

    if (icons.primary || icons.secondary) {
      if (this.options.text) {
        buttonClasses.push("ui-button-text-icon" + (multipleIcons ? "s" : (icons.primary ? "-primary" : "-secondary")));
      }

      if (icons.primary) {
        buttonElement.prepend("<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>");
      }

      if (icons.secondary) {
        buttonElement.append("<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>");
      }

      if (!this.options.text) {
        buttonClasses.push(multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only");

        if (!this.hasTitle) {
          buttonElement.attr("title", buttonText);
        }
      }
    } else {
      buttonClasses.push("ui-button-text-only");
    }
    buttonElement.addClass(buttonClasses.join(" "));
  }
});

$.widget("ui.buttonset", {
  options: {
    items: ":button, :submit, :reset, :checkbox, :radio, a, :data(button)"
  },

  _create: function() {
    this.element.addClass("ui-buttonset");
  },
  
  _init: function() {
    this.refresh();
  },

  _setOption: function(key, value) {
    if (key === "disabled") {
      this.buttons.button("option", key, value);
    }

    $.Widget.prototype._setOption.apply(this, arguments);
  },
  
  refresh: function() {
    this.buttons = this.element.find(this.options.items)
      .filter(":ui-button")
        .button("refresh")
      .end()
      .not(":ui-button")
        .button()
      .end()
      .map(function() {
        return $(this).button("widget")[ 0 ];
      })
        .removeClass("ui-corner-all ui-corner-left ui-corner-right")
        .filter(":first")
          .addClass("ui-corner-left")
        .end()
        .filter(":last")
          .addClass("ui-corner-right")
        .end()
      .end();
  },

  destroy: function() {
    this.element.removeClass("ui-buttonset");
    this.buttons
      .map(function() {
        return $(this).button("widget")[ 0 ];
      })
        .removeClass("ui-corner-left ui-corner-right")
      .end()
      .button("destroy");

    $.Widget.prototype.destroy.call(this);
  }
});

}(jQuery));
/*
 * jQuery UI Dialog 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Dialog
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.widget.js
 *  jquery.ui.button.js
 *  jquery.ui.draggable.js
 *  jquery.ui.mouse.js
 *  jquery.ui.position.js
 *  jquery.ui.resizable.js
 */
(function($, undefined) {

var uiDialogClasses =
    'ui-dialog ' +
    'ui-widget ' +
    'ui-widget-content ' +
    'ui-corner-all ',
  sizeRelatedOptions = {
    buttons: true,
    height: true,
    maxHeight: true,
    maxWidth: true,
    minHeight: true,
    minWidth: true,
    width: true
  },
  resizableRelatedOptions = {
    maxHeight: true,
    maxWidth: true,
    minHeight: true,
    minWidth: true
  };

$.widget("ui.dialog", {
  options: {
    autoOpen: true,
    buttons: {},
    closeOnEscape: true,
    closeText: 'close',
    dialogClass: '',
    draggable: true,
    hide: null,
    height: 'auto',
    maxHeight: false,
    maxWidth: false,
    minHeight: 150,
    minWidth: 150,
    modal: false,
    position: {
      my: 'center',
      at: 'center',
      collision: 'fit',
      // ensure that the titlebar is never outside the document
      using: function(pos) {
        var topOffset = $(this).css(pos).offset().top;
        if (topOffset < 0) {
          $(this).css('top', pos.top - topOffset);
        }
      }
    },
    resizable: true,
    show: null,
    stack: true,
    title: '',
    width: 300,
    zIndex: 1000
  },

  _create: function() {
    this.originalTitle = this.element.attr('title');
    // #5742 - .attr() might return a DOMElement
    if (typeof this.originalTitle !== "string") {
      this.originalTitle = "";
    }

    this.options.title = this.options.title || this.originalTitle;
    var self = this,
      options = self.options,

      title = options.title || '&#160;',
      titleId = $.ui.dialog.getTitleId(self.element),

      uiDialog = (self.uiDialog = $('<div></div>'))
        .appendTo(document.body)
        .hide()
        .addClass(uiDialogClasses + options.dialogClass)
        .css({
          zIndex: options.zIndex
        })
        // setting tabIndex makes the div focusable
        // setting outline to 0 prevents a border on focus in Mozilla
        .attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
          if (options.closeOnEscape && event.keyCode &&
            event.keyCode === $.ui.keyCode.ESCAPE) {
            
            self.close(event);
            event.preventDefault();
          }
        })
        .attr({
          role: 'dialog',
          'aria-labelledby': titleId
        })
        .mousedown(function(event) {
          self.moveToTop(false, event);
        }),

      uiDialogContent = self.element
        .show()
        .removeAttr('title')
        .addClass(
          'ui-dialog-content ' +
          'ui-widget-content')
        .appendTo(uiDialog),

      uiDialogTitlebar = (self.uiDialogTitlebar = $('<div></div>'))
        .addClass(
          'ui-dialog-titlebar ' +
          'ui-widget-header ' +
          'ui-corner-all ' +
          'ui-helper-clearfix'
       )
        .prependTo(uiDialog),

      uiDialogTitlebarClose = $('<a href="#"></a>')
        .addClass(
          'ui-dialog-titlebar-close ' +
          'ui-corner-all'
       )
        .attr('role', 'button')
        .hover(
          function() {
            uiDialogTitlebarClose.addClass('ui-state-hover');
          },
          function() {
            uiDialogTitlebarClose.removeClass('ui-state-hover');
          }
       )
        .focus(function() {
          uiDialogTitlebarClose.addClass('ui-state-focus');
        })
        .blur(function() {
          uiDialogTitlebarClose.removeClass('ui-state-focus');
        })
        .click(function(event) {
          self.close(event);
          return false;
        })
        .appendTo(uiDialogTitlebar),

      uiDialogTitlebarCloseText = (self.uiDialogTitlebarCloseText = $('<span></span>'))
        .addClass(
          'ui-icon ' +
          'ui-icon-closethick'
       )
        .text(options.closeText)
        .appendTo(uiDialogTitlebarClose),

      uiDialogTitle = $('<span></span>')
        .addClass('ui-dialog-title')
        .attr('id', titleId)
        .html(title)
        .prependTo(uiDialogTitlebar);

    //handling of deprecated beforeclose (vs beforeClose) option
    //Ticket #4669 http://dev.jqueryui.com/ticket/4669
    //TODO: remove in 1.9pre
    if ($.isFunction(options.beforeclose) && !$.isFunction(options.beforeClose)) {
      options.beforeClose = options.beforeclose;
    }

    uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();

    if (options.draggable && $.fn.draggable) {
      self._makeDraggable();
    }
    if (options.resizable && $.fn.resizable) {
      self._makeResizable();
    }

    self._createButtons(options.buttons);
    self._isOpen = false;

    if ($.fn.bgiframe) {
      uiDialog.bgiframe();
    }
  },

  _init: function() {
    if (this.options.autoOpen) {
      this.open();
    }
  },

  destroy: function() {
    var self = this;
    
    if (self.overlay) {
      self.overlay.destroy();
    }
    self.uiDialog.hide();
    self.element
      .unbind('.dialog')
      .removeData('dialog')
      .removeClass('ui-dialog-content ui-widget-content')
      .hide().appendTo('body');
    self.uiDialog.remove();

    if (self.originalTitle) {
      self.element.attr('title', self.originalTitle);
    }

    return self;
  },

  widget: function() {
    return this.uiDialog;
  },

  close: function(event) {
    var self = this,
      maxZ, thisZ;
    
    if (false === self._trigger('beforeClose', event)) {
      return;
    }

    if (self.overlay) {
      self.overlay.destroy();
    }
    self.uiDialog.unbind('keypress.ui-dialog');

    self._isOpen = false;

    if (self.options.hide) {
      self.uiDialog.hide(self.options.hide, function() {
        self._trigger('close', event);
      });
    } else {
      self.uiDialog.hide();
      self._trigger('close', event);
    }

    $.ui.dialog.overlay.resize();

    // adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
    if (self.options.modal) {
      maxZ = 0;
      $('.ui-dialog').each(function() {
        if (this !== self.uiDialog[0]) {
          thisZ = $(this).css('z-index');
          if(!isNaN(thisZ)) {
            maxZ = Math.max(maxZ, thisZ);
          }
        }
      });
      $.ui.dialog.maxZ = maxZ;
    }

    return self;
  },

  isOpen: function() {
    return this._isOpen;
  },

  // the force parameter allows us to move modal dialogs to their correct
  // position on open
  moveToTop: function(force, event) {
    var self = this,
      options = self.options,
      saveScroll;

    if ((options.modal && !force) ||
      (!options.stack && !options.modal)) {
      return self._trigger('focus', event);
    }

    if (options.zIndex > $.ui.dialog.maxZ) {
      $.ui.dialog.maxZ = options.zIndex;
    }
    if (self.overlay) {
      $.ui.dialog.maxZ += 1;
      self.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = $.ui.dialog.maxZ);
    }

    //Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
    //  http://ui.jquery.com/bugs/ticket/3193
    saveScroll = { scrollTop: self.element.attr('scrollTop'), scrollLeft: self.element.attr('scrollLeft') };
    $.ui.dialog.maxZ += 1;
    self.uiDialog.css('z-index', $.ui.dialog.maxZ);
    self.element.attr(saveScroll);
    self._trigger('focus', event);

    return self;
  },

  open: function() {
    if (this._isOpen) { return; }

    var self = this,
      options = self.options,
      uiDialog = self.uiDialog;

    self.overlay = options.modal ? new $.ui.dialog.overlay(self) : null;
    self._size();
    self._position(options.position);
    uiDialog.show(options.show);
    self.moveToTop(true);

    // prevent tabbing out of modal dialogs
    if (options.modal) {
      uiDialog.bind('keypress.ui-dialog', function(event) {
        if (event.keyCode !== $.ui.keyCode.TAB) {
          return;
        }

        var tabbables = $(':tabbable', this),
          first = tabbables.filter(':first'),
          last  = tabbables.filter(':last');

        if (event.target === last[0] && !event.shiftKey) {
          first.focus(1);
          return false;
        } else if (event.target === first[0] && event.shiftKey) {
          last.focus(1);
          return false;
        }
      });
    }

    // set focus to the first tabbable element in the content area or the first button
    // if there are no tabbable elements, set focus on the dialog itself
    $(self.element.find(':tabbable').get().concat(
      uiDialog.find('.ui-dialog-buttonpane :tabbable').get().concat(
        uiDialog.get()))).eq(0).focus();

    self._isOpen = true;
    self._trigger('open');

    return self;
  },

  _createButtons: function(buttons) {
    var self = this,
      hasButtons = false,
      uiDialogButtonPane = $('<div></div>')
        .addClass(
          'ui-dialog-buttonpane ' +
          'ui-widget-content ' +
          'ui-helper-clearfix'
       ),
      uiButtonSet = $("<div></div>")
        .addClass("ui-dialog-buttonset")
        .appendTo(uiDialogButtonPane);

    // if we already have a button pane, remove it
    self.uiDialog.find('.ui-dialog-buttonpane').remove();

    if (typeof buttons === 'object' && buttons !== null) {
      $.each(buttons, function() {
        return !(hasButtons = true);
      });
    }
    if (hasButtons) {
      $.each(buttons, function(name, props) {
        props = $.isFunction(props) ?
          { click: props, text: name } :
          props;
        var button = $('<button type="button"></button>')
          .attr(props, true)
          .unbind('click')
          .click(function() {
            props.click.apply(self.element[0], arguments);
          })
          .appendTo(uiButtonSet);
        if ($.fn.button) {
          button.button();
        }
      });
      uiDialogButtonPane.appendTo(self.uiDialog);
    }
  },

  _makeDraggable: function() {
    var self = this,
      options = self.options,
      doc = $(document),
      heightBeforeDrag;

    function filteredUi(ui) {
      return {
        position: ui.position,
        offset: ui.offset
      };
    }

    self.uiDialog.draggable({
      cancel: '.ui-dialog-content, .ui-dialog-titlebar-close',
      handle: '.ui-dialog-titlebar',
      containment: 'document',
      start: function(event, ui) {
        heightBeforeDrag = options.height === "auto" ? "auto" : $(this).height();
        $(this).height($(this).height()).addClass("ui-dialog-dragging");
        self._trigger('dragStart', event, filteredUi(ui));
      },
      drag: function(event, ui) {
        self._trigger('drag', event, filteredUi(ui));
      },
      stop: function(event, ui) {
        options.position = [ui.position.left - doc.scrollLeft(),
          ui.position.top - doc.scrollTop()];
        $(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
        self._trigger('dragStop', event, filteredUi(ui));
        $.ui.dialog.overlay.resize();
      }
    });
  },

  _makeResizable: function(handles) {
    handles = (handles === undefined ? this.options.resizable : handles);
    var self = this,
      options = self.options,
      // .ui-resizable has position: relative defined in the stylesheet
      // but dialogs have to use absolute or fixed positioning
      position = self.uiDialog.css('position'),
      resizeHandles = (typeof handles === 'string' ?
        handles  :
        'n,e,s,w,se,sw,ne,nw'
     );

    function filteredUi(ui) {
      return {
        originalPosition: ui.originalPosition,
        originalSize: ui.originalSize,
        position: ui.position,
        size: ui.size
      };
    }

    self.uiDialog.resizable({
      cancel: '.ui-dialog-content',
      containment: 'document',
      alsoResize: self.element,
      maxWidth: options.maxWidth,
      maxHeight: options.maxHeight,
      minWidth: options.minWidth,
      minHeight: self._minHeight(),
      handles: resizeHandles,
      start: function(event, ui) {
        $(this).addClass("ui-dialog-resizing");
        self._trigger('resizeStart', event, filteredUi(ui));
      },
      resize: function(event, ui) {
        self._trigger('resize', event, filteredUi(ui));
      },
      stop: function(event, ui) {
        $(this).removeClass("ui-dialog-resizing");
        options.height = $(this).height();
        options.width = $(this).width();
        self._trigger('resizeStop', event, filteredUi(ui));
        $.ui.dialog.overlay.resize();
      }
    })
    .css('position', position)
    .find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
  },

  _minHeight: function() {
    var options = this.options;

    if (options.height === 'auto') {
      return options.minHeight;
    } else {
      return Math.min(options.minHeight, options.height);
    }
  },

  _position: function(position) {
    var myAt = [],
      offset = [0, 0],
      isVisible;

    if (position) {
      // deep extending converts arrays to objects in jQuery <= 1.3.2 :-(
  //    if (typeof position == 'string' || $.isArray(position)) {
  //      myAt = $.isArray(position) ? position : position.split(' ');

      if (typeof position === 'string' || (typeof position === 'object' && '0' in position)) {
        myAt = position.split ? position.split(' ') : [position[0], position[1]];
        if (myAt.length === 1) {
          myAt[1] = myAt[0];
        }

        $.each(['left', 'top'], function(i, offsetPosition) {
          if (+myAt[i] === myAt[i]) {
            offset[i] = myAt[i];
            myAt[i] = offsetPosition;
          }
        });

        position = {
          my: myAt.join(" "),
          at: myAt.join(" "),
          offset: offset.join(" ")
        };
      } 

      position = $.extend({}, $.ui.dialog.prototype.options.position, position);
    } else {
      position = $.ui.dialog.prototype.options.position;
    }

    // need to show the dialog to get the actual offset in the position plugin
    isVisible = this.uiDialog.is(':visible');
    if (!isVisible) {
      this.uiDialog.show();
    }
    this.uiDialog
      // workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
      .css({ top: 0, left: 0 })
      .position($.extend({ of: window }, position));
    if (!isVisible) {
      this.uiDialog.hide();
    }
  },

  _setOptions: function(options) {
    var self = this,
      resizableOptions = {},
      resize = false;

    $.each(options, function(key, value) {
      self._setOption(key, value);
      
      if (key in sizeRelatedOptions) {
        resize = true;
      }
      if (key in resizableRelatedOptions) {
        resizableOptions[ key ] = value;
      }
    });

    if (resize) {
      this._size();
    }
    if (this.uiDialog.is(":data(resizable)")) {
      this.uiDialog.resizable("option", resizableOptions);
    }
  },

  _setOption: function(key, value){
    var self = this,
      uiDialog = self.uiDialog;

    switch (key) {
      //handling of deprecated beforeclose (vs beforeClose) option
      //Ticket #4669 http://dev.jqueryui.com/ticket/4669
      //TODO: remove in 1.9pre
      case "beforeclose":
        key = "beforeClose";
        break;
      case "buttons":
        self._createButtons(value);
        break;
      case "closeText":
        // ensure that we always pass a string
        self.uiDialogTitlebarCloseText.text("" + value);
        break;
      case "dialogClass":
        uiDialog
          .removeClass(self.options.dialogClass)
          .addClass(uiDialogClasses + value);
        break;
      case "disabled":
        if (value) {
          uiDialog.addClass('ui-dialog-disabled');
        } else {
          uiDialog.removeClass('ui-dialog-disabled');
        }
        break;
      case "draggable":
        var isDraggable = uiDialog.is(":data(draggable)");
        if (isDraggable && !value) {
          uiDialog.draggable("destroy");
        }
        
        if (!isDraggable && value) {
          self._makeDraggable();
        }
        break;
      case "position":
        self._position(value);
        break;
      case "resizable":
        // currently resizable, becoming non-resizable
        var isResizable = uiDialog.is(":data(resizable)");
        if (isResizable && !value) {
          uiDialog.resizable('destroy');
        }

        // currently resizable, changing handles
        if (isResizable && typeof value === 'string') {
          uiDialog.resizable('option', 'handles', value);
        }

        // currently non-resizable, becoming resizable
        if (!isResizable && value !== false) {
          self._makeResizable(value);
        }
        break;
      case "title":
        // convert whatever was passed in o a string, for html() to not throw up
        $(".ui-dialog-title", self.uiDialogTitlebar).html("" + (value || '&#160;'));
        break;
    }

    $.Widget.prototype._setOption.apply(self, arguments);
  },

  _size: function() {
    /* If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
     * divs will both have width and height set, so we need to reset them
     */
    var options = this.options,
      nonContentHeight,
      minContentHeight,
      isVisible = this.uiDialog.is(":visible");

    // reset content sizing
    this.element.show().css({
      width: 'auto',
      minHeight: 0,
      height: 0
    });

    if (options.minWidth > options.width) {
      options.width = options.minWidth;
    }

    // reset wrapper sizing
    // determine the height of all the non-content elements
    nonContentHeight = this.uiDialog.css({
        height: 'auto',
        width: options.width
      })
      .height();
    minContentHeight = Math.max(0, options.minHeight - nonContentHeight);
    
    if (options.height === "auto") {
      // only needed for IE6 support
      if ($.support.minHeight) {
        this.element.css({
          minHeight: minContentHeight,
          height: "auto"
        });
      } else {
        this.uiDialog.show();
        var autoHeight = this.element.css("height", "auto").height();
        if (!isVisible) {
          this.uiDialog.hide();
        }
        this.element.height(Math.max(autoHeight, minContentHeight));
      }
    } else {
      this.element.height(Math.max(options.height - nonContentHeight, 0));
    }

    if (this.uiDialog.is(':data(resizable)')) {
      this.uiDialog.resizable('option', 'minHeight', this._minHeight());
    }
  }
});

$.extend($.ui.dialog, {
  version: "1.8.11",

  uuid: 0,
  maxZ: 0,

  getTitleId: function($el) {
    var id = $el.attr('id');
    if (!id) {
      this.uuid += 1;
      id = this.uuid;
    }
    return 'ui-dialog-title-' + id;
  },

  overlay: function(dialog) {
    this.$el = $.ui.dialog.overlay.create(dialog);
  }
});

$.extend($.ui.dialog.overlay, {
  instances: [],
  // reuse old instances due to IE memory leak with alpha transparency (see #5185)
  oldInstances: [],
  maxZ: 0,
  events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
    function(event) { return event + '.dialog-overlay'; }).join(' '),
  create: function(dialog) {
    if (this.instances.length === 0) {
      // prevent use of anchors and inputs
      // we use a setTimeout in case the overlay is created from an
      // event that we're going to be cancelling (see #2804)
      setTimeout(function() {
        // handle $(el).dialog().dialog('close') (see #4065)
        if ($.ui.dialog.overlay.instances.length) {
          $(document).bind($.ui.dialog.overlay.events, function(event) {
            // stop events if the z-index of the target is < the z-index of the overlay
            // we cannot return true when we don't want to cancel the event (#3523)
            if ($(event.target).zIndex() < $.ui.dialog.overlay.maxZ) {
              return false;
            }
          });
        }
      }, 1);

      // allow closing by pressing the escape key
      $(document).bind('keydown.dialog-overlay', function(event) {
        if (dialog.options.closeOnEscape && event.keyCode &&
          event.keyCode === $.ui.keyCode.ESCAPE) {
          
          dialog.close(event);
          event.preventDefault();
        }
      });

      // handle window resize
      $(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
    }

    var $el = (this.oldInstances.pop() || $('<div></div>').addClass('ui-widget-overlay'))
      .appendTo(document.body)
      .css({
        width: this.width(),
        height: this.height()
      });

    if ($.fn.bgiframe) {
      $el.bgiframe();
    }

    this.instances.push($el);
    return $el;
  },

  destroy: function($el) {
    var indexOf = $.inArray($el, this.instances);
    if (indexOf != -1){
      this.oldInstances.push(this.instances.splice(indexOf, 1)[0]);
    }

    if (this.instances.length === 0) {
      $([document, window]).unbind('.dialog-overlay');
    }

    $el.remove();
    
    // adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
    var maxZ = 0;
    $.each(this.instances, function() {
      maxZ = Math.max(maxZ, this.css('z-index'));
    });
    this.maxZ = maxZ;
  },

  height: function() {
    var scrollHeight,
      offsetHeight;
    // handle IE 6
    if ($.browser.msie && $.browser.version < 7) {
      scrollHeight = Math.max(
        document.documentElement.scrollHeight,
        document.body.scrollHeight
     );
      offsetHeight = Math.max(
        document.documentElement.offsetHeight,
        document.body.offsetHeight
     );

      if (scrollHeight < offsetHeight) {
        return $(window).height() + 'px';
      } else {
        return scrollHeight + 'px';
      }
    // handle "good" browsers
    } else {
      return $(document).height() + 'px';
    }
  },

  width: function() {
    var scrollWidth,
      offsetWidth;
    // handle IE 6
    if ($.browser.msie && $.browser.version < 7) {
      scrollWidth = Math.max(
        document.documentElement.scrollWidth,
        document.body.scrollWidth
     );
      offsetWidth = Math.max(
        document.documentElement.offsetWidth,
        document.body.offsetWidth
     );

      if (scrollWidth < offsetWidth) {
        return $(window).width() + 'px';
      } else {
        return scrollWidth + 'px';
      }
    // handle "good" browsers
    } else {
      return $(document).width() + 'px';
    }
  },

  resize: function() {
    /* If the dialog is draggable and the user drags it past the
     * right edge of the window, the document becomes wider so we
     * need to stretch the overlay. If the user then drags the
     * dialog back to the left, the document will become narrower,
     * so we need to shrink the overlay to the appropriate size.
     * This is handled by shrinking the overlay before setting it
     * to the full document size.
     */
    var $overlays = $([]);
    $.each($.ui.dialog.overlay.instances, function() {
      $overlays = $overlays.add(this);
    });

    $overlays.css({
      width: 0,
      height: 0
    }).css({
      width: $.ui.dialog.overlay.width(),
      height: $.ui.dialog.overlay.height()
    });
  }
});

$.extend($.ui.dialog.overlay.prototype, {
  destroy: function() {
    $.ui.dialog.overlay.destroy(this.$el);
  }
});

}(jQuery));
/*
 * jQuery UI Tabs 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Tabs
 *
 * Depends:
 *  jquery.ui.core.js
 *  jquery.ui.widget.js
 */
(function($, undefined) {

var tabId = 0,
  listId = 0;

function getNextTabId() {
  return ++tabId;
}

function getNextListId() {
  return ++listId;
}

$.widget("ui.tabs", {
  options: {
    add: null,
    ajaxOptions: null,
    cache: false,
    cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
    collapsible: false,
    disable: null,
    disabled: [],
    enable: null,
    event: "click",
    fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
    idPrefix: "ui-tabs-",
    load: null,
    panelTemplate: "<div></div>",
    remove: null,
    select: null,
    show: null,
    spinner: "<em>Loading&#8230;</em>",
    tabTemplate: "<li><a href='#{href}'><span>#{label}</span></a></li>"
  },

  _create: function() {
    this._tabify(true);
  },

  _setOption: function(key, value) {
    if (key == "selected") {
      if (this.options.collapsible && value == this.options.selected) {
        return;
      }
      this.select(value);
    } else {
      this.options[ key ] = value;
      this._tabify();
    }
  },

  _tabId: function(a) {
    return a.title && a.title.replace(/\s/g, "_").replace(/[^\w\u00c0-\uFFFF-]/g, "") ||
      this.options.idPrefix + getNextTabId();
  },

  _sanitizeSelector: function(hash) {
    // we need this because an id may contain a ":"
    return hash.replace(/:/g, "\\:");
  },

  _cookie: function() {
    var cookie = this.cookie ||
      (this.cookie = this.options.cookie.name || "ui-tabs-" + getNextListId());
    return $.cookie.apply(null, [ cookie ].concat($.makeArray(arguments)));
  },

  _ui: function(tab, panel) {
    return {
      tab: tab,
      panel: panel,
      index: this.anchors.index(tab)
    };
  },

  _cleanup: function() {
    // restore all former loading tabs labels
    this.lis.filter(".ui-state-processing")
      .removeClass("ui-state-processing")
      .find("span:data(label.tabs)")
        .each(function() {
          var el = $(this);
          el.html(el.data("label.tabs")).removeData("label.tabs");
        });
  },

  _tabify: function(init) {
    var self = this,
      o = this.options,
      fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash

    this.list = this.element.find("ol,ul").eq(0);
    this.lis = $(" > li:has(a[href])", this.list);
    this.anchors = this.lis.map(function() {
      return $("a", this)[ 0 ];
    });
    this.panels = $([]);

    this.anchors.each(function(i, a) {
      var href = $(a).attr("href");
      // For dynamically created HTML that contains a hash as href IE < 8 expands
      // such href to the full page url with hash and then misinterprets tab as ajax.
      // Same consideration applies for an added tab with a fragment identifier
      // since a[href=#fragment-identifier] does unexpectedly not match.
      // Thus normalize href attribute...
      var hrefBase = href.split("#")[ 0 ],
        baseEl;
      if (hrefBase && (hrefBase === location.toString().split("#")[ 0 ] ||
          (baseEl = $("base")[ 0 ]) && hrefBase === baseEl.href)) {
        href = a.hash;
        a.href = href;
      }

      // inline tab
      if (fragmentId.test(href)) {
        self.panels = self.panels.add(self.element.find(self._sanitizeSelector(href)));
      // remote tab
      // prevent loading the page itself if href is just "#"
      } else if (href && href !== "#") {
        // required for restore on destroy
        $.data(a, "href.tabs", href);

        // TODO until #3808 is fixed strip fragment identifier from url
        // (IE fails to load from such url)
        $.data(a, "load.tabs", href.replace(/#.*$/, ""));

        var id = self._tabId(a);
        a.href = "#" + id;
        var $panel = self.element.find("#" + id);
        if (!$panel.length) {
          $panel = $(o.panelTemplate)
            .attr("id", id)
            .addClass("ui-tabs-panel ui-widget-content ui-corner-bottom")
            .insertAfter(self.panels[ i - 1 ] || self.list);
          $panel.data("destroy.tabs", true);
        }
        self.panels = self.panels.add($panel);
      // invalid tab href
      } else {
        o.disabled.push(i);
      }
    });

    // initialization from scratch
    if (init) {
      // attach necessary classes for styling
      this.element.addClass("ui-tabs ui-widget ui-widget-content ui-corner-all");
      this.list.addClass("ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all");
      this.lis.addClass("ui-state-default ui-corner-top");
      this.panels.addClass("ui-tabs-panel ui-widget-content ui-corner-bottom");

      // Selected tab
      // use "selected" option or try to retrieve:
      // 1. from fragment identifier in url
      // 2. from cookie
      // 3. from selected class attribute on <li>
      if (o.selected === undefined) {
        if (location.hash) {
          this.anchors.each(function(i, a) {
            if (a.hash == location.hash) {
              o.selected = i;
              return false;
            }
          });
        }
        if (typeof o.selected !== "number" && o.cookie) {
          o.selected = parseInt(self._cookie(), 10);
        }
        if (typeof o.selected !== "number" && this.lis.filter(".ui-tabs-selected").length) {
          o.selected = this.lis.index(this.lis.filter(".ui-tabs-selected"));
        }
        o.selected = o.selected || (this.lis.length ? 0 : -1);
      } else if (o.selected === null) { // usage of null is deprecated, TODO remove in next release
        o.selected = -1;
      }

      // sanity check - default to first tab...
      o.selected = ((o.selected >= 0 && this.anchors[ o.selected ]) || o.selected < 0)
        ? o.selected
        : 0;

      // Take disabling tabs via class attribute from HTML
      // into account and update option properly.
      // A selected tab cannot become disabled.
      o.disabled = $.unique(o.disabled.concat(
        $.map(this.lis.filter(".ui-state-disabled"), function(n, i) {
          return self.lis.index(n);
        })
     )).sort();

      if ($.inArray(o.selected, o.disabled) != -1) {
        o.disabled.splice($.inArray(o.selected, o.disabled), 1);
      }

      // highlight selected tab
      this.panels.addClass("ui-tabs-hide");
      this.lis.removeClass("ui-tabs-selected ui-state-active");
      // check for length avoids error when initializing empty list
      if (o.selected >= 0 && this.anchors.length) {
        self.element.find(self._sanitizeSelector(self.anchors[ o.selected ].hash)).removeClass("ui-tabs-hide");
        this.lis.eq(o.selected).addClass("ui-tabs-selected ui-state-active");

        // seems to be expected behavior that the show callback is fired
        self.element.queue("tabs", function() {
          self._trigger("show", null,
            self._ui(self.anchors[ o.selected ], self.element.find(self._sanitizeSelector(self.anchors[ o.selected ].hash))[ 0 ]));
        });

        this.load(o.selected);
      }

      // clean up to avoid memory leaks in certain versions of IE 6
      // TODO: namespace this event
      $(window).bind("unload", function() {
        self.lis.add(self.anchors).unbind(".tabs");
        self.lis = self.anchors = self.panels = null;
      });
    // update selected after add/remove
    } else {
      o.selected = this.lis.index(this.lis.filter(".ui-tabs-selected"));
    }

    // update collapsible
    // TODO: use .toggleClass()
    this.element[ o.collapsible ? "addClass" : "removeClass" ]("ui-tabs-collapsible");

    // set or update cookie after init and add/remove respectively
    if (o.cookie) {
      this._cookie(o.selected, o.cookie);
    }

    // disable tabs
    for (var i = 0, li; (li = this.lis[ i ]); i++) {
      $(li)[ $.inArray(i, o.disabled) != -1 &&
        // TODO: use .toggleClass()
        !$(li).hasClass("ui-tabs-selected") ? "addClass" : "removeClass" ]("ui-state-disabled");
    }

    // reset cache if switching from cached to not cached
    if (o.cache === false) {
      this.anchors.removeData("cache.tabs");
    }

    // remove all handlers before, tabify may run on existing tabs after add or option change
    this.lis.add(this.anchors).unbind(".tabs");

    if (o.event !== "mouseover") {
      var addState = function(state, el) {
        if (el.is(":not(.ui-state-disabled)")) {
          el.addClass("ui-state-" + state);
        }
      };
      var removeState = function(state, el) {
        el.removeClass("ui-state-" + state);
      };
      this.lis.bind("mouseover.tabs" , function() {
        addState("hover", $(this));
      });
      this.lis.bind("mouseout.tabs", function() {
        removeState("hover", $(this));
      });
      this.anchors.bind("focus.tabs", function() {
        addState("focus", $(this).closest("li"));
      });
      this.anchors.bind("blur.tabs", function() {
        removeState("focus", $(this).closest("li"));
      });
    }

    // set up animations
    var hideFx, showFx;
    if (o.fx) {
      if ($.isArray(o.fx)) {
        hideFx = o.fx[ 0 ];
        showFx = o.fx[ 1 ];
      } else {
        hideFx = showFx = o.fx;
      }
    }

    // Reset certain styles left over from animation
    // and prevent IE's ClearType bug...
    function resetStyle($el, fx) {
      $el.css("display", "");
      if (!$.support.opacity && fx.opacity) {
        $el[ 0 ].style.removeAttribute("filter");
      }
    }

    // Show a tab...
    var showTab = showFx
      ? function(clicked, $show) {
        $(clicked).closest("li").addClass("ui-tabs-selected ui-state-active");
        $show.hide().removeClass("ui-tabs-hide") // avoid flicker that way
          .animate(showFx, showFx.duration || "normal", function() {
            resetStyle($show, showFx);
            self._trigger("show", null, self._ui(clicked, $show[ 0 ]));
          });
      }
      : function(clicked, $show) {
        $(clicked).closest("li").addClass("ui-tabs-selected ui-state-active");
        $show.removeClass("ui-tabs-hide");
        self._trigger("show", null, self._ui(clicked, $show[ 0 ]));
      };

    // Hide a tab, $show is optional...
    var hideTab = hideFx
      ? function(clicked, $hide) {
        $hide.animate(hideFx, hideFx.duration || "normal", function() {
          self.lis.removeClass("ui-tabs-selected ui-state-active");
          $hide.addClass("ui-tabs-hide");
          resetStyle($hide, hideFx);
          self.element.dequeue("tabs");
        });
      }
      : function(clicked, $hide, $show) {
        self.lis.removeClass("ui-tabs-selected ui-state-active");
        $hide.addClass("ui-tabs-hide");
        self.element.dequeue("tabs");
      };

    // attach tab event handler, unbind to avoid duplicates from former tabifying...
    this.anchors.bind(o.event + ".tabs", function() {
      var el = this,
        $li = $(el).closest("li"),
        $hide = self.panels.filter(":not(.ui-tabs-hide)"),
        $show = self.element.find(self._sanitizeSelector(el.hash));

      // If tab is already selected and not collapsible or tab disabled or
      // or is already loading or click callback returns false stop here.
      // Check if click handler returns false last so that it is not executed
      // for a disabled or loading tab!
      if (($li.hasClass("ui-tabs-selected") && !o.collapsible) ||
        $li.hasClass("ui-state-disabled") ||
        $li.hasClass("ui-state-processing") ||
        self.panels.filter(":animated").length ||
        self._trigger("select", null, self._ui(this, $show[ 0 ])) === false) {
        this.blur();
        return false;
      }

      o.selected = self.anchors.index(this);

      self.abort();

      // if tab may be closed
      if (o.collapsible) {
        if ($li.hasClass("ui-tabs-selected")) {
          o.selected = -1;

          if (o.cookie) {
            self._cookie(o.selected, o.cookie);
          }

          self.element.queue("tabs", function() {
            hideTab(el, $hide);
          }).dequeue("tabs");

          this.blur();
          return false;
        } else if (!$hide.length) {
          if (o.cookie) {
            self._cookie(o.selected, o.cookie);
          }

          self.element.queue("tabs", function() {
            showTab(el, $show);
          });

          // TODO make passing in node possible, see also http://dev.jqueryui.com/ticket/3171
          self.load(self.anchors.index(this));

          this.blur();
          return false;
        }
      }

      if (o.cookie) {
        self._cookie(o.selected, o.cookie);
      }

      // show new tab
      if ($show.length) {
        if ($hide.length) {
          self.element.queue("tabs", function() {
            hideTab(el, $hide);
          });
        }
        self.element.queue("tabs", function() {
          showTab(el, $show);
        });

        self.load(self.anchors.index(this));
      } else {
        throw "jQuery UI Tabs: Mismatching fragment identifier.";
      }

      // Prevent IE from keeping other link focussed when using the back button
      // and remove dotted border from clicked link. This is controlled via CSS
      // in modern browsers; blur() removes focus from address bar in Firefox
      // which can become a usability and annoying problem with tabs('rotate').
      if ($.browser.msie) {
        this.blur();
      }
    });

    // disable click in any case
    this.anchors.bind("click.tabs", function(){
      return false;
    });
  },

    _getIndex: function(index) {
    // meta-function to give users option to provide a href string instead of a numerical index.
    // also sanitizes numerical indexes to valid values.
    if (typeof index == "string") {
      index = this.anchors.index(this.anchors.filter("[href$=" + index + "]"));
    }

    return index;
  },

  destroy: function() {
    var o = this.options;

    this.abort();

    this.element
      .unbind(".tabs")
      .removeClass("ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible")
      .removeData("tabs");

    this.list.removeClass("ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all");

    this.anchors.each(function() {
      var href = $.data(this, "href.tabs");
      if (href) {
        this.href = href;
      }
      var $this = $(this).unbind(".tabs");
      $.each([ "href", "load", "cache" ], function(i, prefix) {
        $this.removeData(prefix + ".tabs");
      });
    });

    this.lis.unbind(".tabs").add(this.panels).each(function() {
      if ($.data(this, "destroy.tabs")) {
        $(this).remove();
      } else {
        $(this).removeClass([
          "ui-state-default",
          "ui-corner-top",
          "ui-tabs-selected",
          "ui-state-active",
          "ui-state-hover",
          "ui-state-focus",
          "ui-state-disabled",
          "ui-tabs-panel",
          "ui-widget-content",
          "ui-corner-bottom",
          "ui-tabs-hide"
        ].join(" "));
      }
    });

    if (o.cookie) {
      this._cookie(null, o.cookie);
    }

    return this;
  },

  add: function(url, label, index) {
    if (index === undefined) {
      index = this.anchors.length;
    }

    var self = this,
      o = this.options,
      $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label)),
      id = !url.indexOf("#") ? url.replace("#", "") : this._tabId($("a", $li)[ 0 ]);

    $li.addClass("ui-state-default ui-corner-top").data("destroy.tabs", true);

    // try to find an existing element before creating a new one
    var $panel = self.element.find("#" + id);
    if (!$panel.length) {
      $panel = $(o.panelTemplate)
        .attr("id", id)
        .data("destroy.tabs", true);
    }
    $panel.addClass("ui-tabs-panel ui-widget-content ui-corner-bottom ui-tabs-hide");

    if (index >= this.lis.length) {
      $li.appendTo(this.list);
      $panel.appendTo(this.list[ 0 ].parentNode);
    } else {
      $li.insertBefore(this.lis[ index ]);
      $panel.insertBefore(this.panels[ index ]);
    }

    o.disabled = $.map(o.disabled, function(n, i) {
      return n >= index ? ++n : n;
    });

    this._tabify();

    if (this.anchors.length == 1) {
      o.selected = 0;
      $li.addClass("ui-tabs-selected ui-state-active");
      $panel.removeClass("ui-tabs-hide");
      this.element.queue("tabs", function() {
        self._trigger("show", null, self._ui(self.anchors[ 0 ], self.panels[ 0 ]));
      });

      this.load(0);
    }

    this._trigger("add", null, this._ui(this.anchors[ index ], this.panels[ index ]));
    return this;
  },

  remove: function(index) {
    index = this._getIndex(index);
    var o = this.options,
      $li = this.lis.eq(index).remove(),
      $panel = this.panels.eq(index).remove();

    // If selected tab was removed focus tab to the right or
    // in case the last tab was removed the tab to the left.
    if ($li.hasClass("ui-tabs-selected") && this.anchors.length > 1) {
      this.select(index + (index + 1 < this.anchors.length ? 1 : -1));
    }

    o.disabled = $.map(
      $.grep(o.disabled, function(n, i) {
        return n != index;
      }),
      function(n, i) {
        return n >= index ? --n : n;
      });

    this._tabify();

    this._trigger("remove", null, this._ui($li.find("a")[ 0 ], $panel[ 0 ]));
    return this;
  },

  enable: function(index) {
    index = this._getIndex(index);
    var o = this.options;
    if ($.inArray(index, o.disabled) == -1) {
      return;
    }

    this.lis.eq(index).removeClass("ui-state-disabled");
    o.disabled = $.grep(o.disabled, function(n, i) {
      return n != index;
    });

    this._trigger("enable", null, this._ui(this.anchors[ index ], this.panels[ index ]));
    return this;
  },

  disable: function(index) {
    index = this._getIndex(index);
    var self = this, o = this.options;
    // cannot disable already selected tab
    if (index != o.selected) {
      this.lis.eq(index).addClass("ui-state-disabled");

      o.disabled.push(index);
      o.disabled.sort();

      this._trigger("disable", null, this._ui(this.anchors[ index ], this.panels[ index ]));
    }

    return this;
  },

  select: function(index) {
    index = this._getIndex(index);
    if (index == -1) {
      if (this.options.collapsible && this.options.selected != -1) {
        index = this.options.selected;
      } else {
        return this;
      }
    }
    this.anchors.eq(index).trigger(this.options.event + ".tabs");
    return this;
  },

  load: function(index) {
    index = this._getIndex(index);
    var self = this,
      o = this.options,
      a = this.anchors.eq(index)[ 0 ],
      url = $.data(a, "load.tabs");

    this.abort();

    // not remote or from cache
    if (!url || this.element.queue("tabs").length !== 0 && $.data(a, "cache.tabs")) {
      this.element.dequeue("tabs");
      return;
    }

    // load remote from here on
    this.lis.eq(index).addClass("ui-state-processing");

    if (o.spinner) {
      var span = $("span", a);
      span.data("label.tabs", span.html()).html(o.spinner);
    }

    this.xhr = $.ajax($.extend({}, o.ajaxOptions, {
      url: url,
      success: function(r, s) {
        self.element.find(self._sanitizeSelector(a.hash)).html(r);

        // take care of tab labels
        self._cleanup();

        if (o.cache) {
          $.data(a, "cache.tabs", true);
        }

        self._trigger("load", null, self._ui(self.anchors[ index ], self.panels[ index ]));
        try {
          o.ajaxOptions.success(r, s);
        }
        catch (e) {}
      },
      error: function(xhr, s, e) {
        // take care of tab labels
        self._cleanup();

        self._trigger("load", null, self._ui(self.anchors[ index ], self.panels[ index ]));
        try {
          // Passing index avoid a race condition when this method is
          // called after the user has selected another tab.
          // Pass the anchor that initiated this request allows
          // loadError to manipulate the tab content panel via $(a.hash)
          o.ajaxOptions.error(xhr, s, index, a);
        }
        catch (e) {}
      }
    }));

    // last, so that load event is fired before show...
    self.element.dequeue("tabs");

    return this;
  },

  abort: function() {
    // stop possibly running animations
    this.element.queue([]);
    this.panels.stop(false, true);

    // "tabs" queue must not contain more than two elements,
    // which are the callbacks for the latest clicked tab...
    this.element.queue("tabs", this.element.queue("tabs").splice(-2, 2));

    // terminate pending requests from other tabs
    if (this.xhr) {
      this.xhr.abort();
      delete this.xhr;
    }

    // take care of tab labels
    this._cleanup();
    return this;
  },

  url: function(index, url) {
    this.anchors.eq(index).removeData("cache.tabs").data("load.tabs", url);
    return this;
  },

  length: function() {
    return this.anchors.length;
  }
});

$.extend($.ui.tabs, {
  version: "1.8.11"
});

/*
 * Tabs Extensions
 */

/*
 * Rotate
 */
$.extend($.ui.tabs.prototype, {
  rotation: null,
  rotate: function(ms, continuing) {
    var self = this,
      o = this.options;

    var rotate = self._rotate || (self._rotate = function(e) {
      clearTimeout(self.rotation);
      self.rotation = setTimeout(function() {
        var t = o.selected;
        self.select(++t < self.anchors.length ? t : 0);
      }, ms);
      
      if (e) {
        e.stopPropagation();
      }
    });

    var stop = self._unrotate || (self._unrotate = !continuing
      ? function(e) {
        if (e.clientX) { // in case of a true click
          self.rotate(null);
        }
      }
      : function(e) {
        t = o.selected;
        rotate();
      });

    // start rotation
    if (ms) {
      this.element.bind("tabsshow", rotate);
      this.anchors.bind(o.event + ".tabs", stop);
      rotate();
    // stop rotation
    } else {
      clearTimeout(self.rotation);
      this.element.unbind("tabsshow", rotate);
      this.anchors.unbind(o.event + ".tabs", stop);
      delete this._rotate;
      delete this._unrotate;
    }

    return this;
  }
});

})(jQuery);
/*
 * jQuery UI Datepicker 1.8.11
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Datepicker
 *
 * Depends:
 *  jquery.ui.core.js
 */
(function($, undefined) {

$.extend($.ui, { datepicker: { version: "1.8.11" } });

var PROP_NAME = 'datepicker';
var dpuuid = new Date().getTime();

/* Date picker manager.
   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
   Settings for (groups of) date pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

function Datepicker() {
  this.debug = false; // Change this to true to start debugging
  this._curInst = null; // The current instance in use
  this._keyEvent = false; // If the last event was a key event
  this._disabledInputs = []; // List of date picker inputs that have been disabled
  this._datepickerShowing = false; // True if the popup picker is showing , false if not
  this._inDialog = false; // True if showing within a "dialog", false if not
  this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
  this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
  this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
  this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
  this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
  this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
  this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
  this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
  this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
  this.regional = []; // Available regional settings, indexed by language code
  this.regional[''] = { // Default regional settings
    closeText: 'Done', // Display text for close link
    prevText: 'Prev', // Display text for previous month link
    nextText: 'Next', // Display text for next month link
    currentText: 'Today', // Display text for current month link
    monthNames: ['January','February','March','April','May','June',
      'July','August','September','October','November','December'], // Names of months for drop-down and formatting
    monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
    dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
    dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
    dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
    weekHeader: 'Wk', // Column header for week of the year
    dateFormat: 'mm/dd/yy', // See format options on parseDate
    firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
    isRTL: false, // True if right-to-left language, false if left-to-right
    showMonthAfterYear: false, // True if the year select precedes month, false for month then year
    yearSuffix: '' // Additional text to append to the year in the month headers
  };
  this._defaults = { // Global defaults for all the date picker instances
    showOn: 'focus', // 'focus' for popup on focus,
      // 'button' for trigger button, or 'both' for either
    showAnim: 'fadeIn', // Name of jQuery animation for popup
    showOptions: {}, // Options for enhanced animations
    defaultDate: null, // Used when field is blank: actual date,
      // +/-number for offset from today, null for today
    appendText: '', // Display text following the input box, e.g. showing the format
    buttonText: '...', // Text for trigger button
    buttonImage: '', // URL for trigger button image
    buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
    hideIfNoPrevNext: false, // True to hide next/previous month links
      // if not applicable, false to just disable them
    navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
    gotoCurrent: false, // True if today link goes back to current selection instead
    changeMonth: false, // True if month can be selected directly, false if only prev/next
    changeYear: false, // True if year can be selected directly, false if only prev/next
    yearRange: 'c-10:c+10', // Range of years to display in drop-down,
      // either relative to today's year (-nn:+nn), relative to currently displayed year
      // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
    showOtherMonths: false, // True to show dates in other months, false to leave blank
    selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
    showWeek: false, // True to show week of the year, false to not show it
    calculateWeek: this.iso8601Week, // How to calculate the week of the year,
      // takes a Date and returns the number of the week for it
    shortYearCutoff: '+10', // Short year values < this are in the current century,
      // > this are in the previous century,
      // string value starting with '+' for current year + value
    minDate: null, // The earliest selectable date, or null for no limit
    maxDate: null, // The latest selectable date, or null for no limit
    duration: 'fast', // Duration of display/closure
    beforeShowDay: null, // Function that takes a date and returns an array with
      // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
      // [2] = cell title (optional), e.g. $.datepicker.noWeekends
    beforeShow: null, // Function that takes an input field and
      // returns a set of custom settings for the date picker
    onSelect: null, // Define a callback function when a date is selected
    onChangeMonthYear: null, // Define a callback function when the month or year is changed
    onClose: null, // Define a callback function when the datepicker is closed
    numberOfMonths: 1, // Number of months to show at a time
    showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
    stepMonths: 1, // Number of months to step back/forward
    stepBigMonths: 12, // Number of months to step back/forward for the big links
    altField: '', // Selector for an alternate field to store selected dates into
    altFormat: '', // The date format to use for the alternate field
    constrainInput: true, // The input is constrained by the current date format
    showButtonPanel: false, // True to show button panel, false to not show it
    autoSize: false // True to size the input for the date format, false to leave as is
  };
  $.extend(this._defaults, this.regional['']);
  this.dpDiv = $('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>');
}

$.extend(Datepicker.prototype, {
  /* Class name added to elements to indicate already configured with a date picker. */
  markerClassName: 'hasDatepicker',

  /* Debug logging (if enabled). */
  log: function () {
    if (this.debug)
      console.log.apply('', arguments);
  },
  
  // TODO rename to "widget" when switching to widget factory
  _widgetDatepicker: function() {
    return this.dpDiv;
  },

  /* Override the default settings for all instances of the date picker.
     @param  settings  object - the new settings to use as defaults (anonymous object)
     @return the manager object */
  setDefaults: function(settings) {
    extendRemove(this._defaults, settings || {});
    return this;
  },

  /* Attach the date picker to a jQuery selection.
     @param  target    element - the target input field or division or span
     @param  settings  object - the new settings to use for this date picker instance (anonymous) */
  _attachDatepicker: function(target, settings) {
    // check for settings on the control itself - in namespace 'date:'
    var inlineSettings = null;
    for (var attrName in this._defaults) {
      var attrValue = target.getAttribute('date:' + attrName);
      if (attrValue) {
        inlineSettings = inlineSettings || {};
        try {
          inlineSettings[attrName] = eval(attrValue);
        } catch (err) {
          inlineSettings[attrName] = attrValue;
        }
      }
    }
    var nodeName = target.nodeName.toLowerCase();
    var inline = (nodeName == 'div' || nodeName == 'span');
    if (!target.id) {
      this.uuid += 1;
      target.id = 'dp' + this.uuid;
    }
    var inst = this._newInst($(target), inline);
    inst.settings = $.extend({}, settings || {}, inlineSettings || {});
    if (nodeName == 'input') {
      this._connectDatepicker(target, inst);
    } else if (inline) {
      this._inlineDatepicker(target, inst);
    }
  },

  /* Create a new instance object. */
  _newInst: function(target, inline) {
    var id = target[0].id.replace(/([^A-Za-z0-9_-])/g, '\\\\$1'); // escape jQuery meta chars
    return {id: id, input: target, // associated target
      selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
      drawMonth: 0, drawYear: 0, // month being drawn
      inline: inline, // is datepicker inline or not
      dpDiv: (!inline ? this.dpDiv : // presentation div
      $('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'))};
  },

  /* Attach the date picker to an input field. */
  _connectDatepicker: function(target, inst) {
    var input = $(target);
    inst.append = $([]);
    inst.trigger = $([]);
    if (input.hasClass(this.markerClassName))
      return;
    this._attachments(input, inst);
    input.addClass(this.markerClassName).keydown(this._doKeyDown).
      keypress(this._doKeyPress).keyup(this._doKeyUp).
      bind("setData.datepicker", function(event, key, value) {
        inst.settings[key] = value;
      }).bind("getData.datepicker", function(event, key) {
        return this._get(inst, key);
      });
    this._autoSize(inst);
    $.data(target, PROP_NAME, inst);
  },

  /* Make attachments based on settings. */
  _attachments: function(input, inst) {
    var appendText = this._get(inst, 'appendText');
    var isRTL = this._get(inst, 'isRTL');
    if (inst.append)
      inst.append.remove();
    if (appendText) {
      inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
      input[isRTL ? 'before' : 'after'](inst.append);
    }
    input.unbind('focus', this._showDatepicker);
    if (inst.trigger)
      inst.trigger.remove();
    var showOn = this._get(inst, 'showOn');
    if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
      input.focus(this._showDatepicker);
    if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
      var buttonText = this._get(inst, 'buttonText');
      var buttonImage = this._get(inst, 'buttonImage');
      inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
        $('<img/>').addClass(this._triggerClass).
          attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
        $('<button type="button"></button>').addClass(this._triggerClass).
          html(buttonImage == '' ? buttonText : $('<img/>').attr(
          { src:buttonImage, alt:buttonText, title:buttonText })));
      input[isRTL ? 'before' : 'after'](inst.trigger);
      inst.trigger.click(function() {
        if ($.datepicker._datepickerShowing && $.datepicker._lastInput == input[0])
          $.datepicker._hideDatepicker();
        else
          $.datepicker._showDatepicker(input[0]);
        return false;
      });
    }
  },

  /* Apply the maximum length for the date format. */
  _autoSize: function(inst) {
    if (this._get(inst, 'autoSize') && !inst.inline) {
      var date = new Date(2009, 12 - 1, 20); // Ensure double digits
      var dateFormat = this._get(inst, 'dateFormat');
      if (dateFormat.match(/[DM]/)) {
        var findMax = function(names) {
          var max = 0;
          var maxI = 0;
          for (var i = 0; i < names.length; i++) {
            if (names[i].length > max) {
              max = names[i].length;
              maxI = i;
            }
          }
          return maxI;
        };
        date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
          'monthNames' : 'monthNamesShort'))));
        date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
          'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
      }
      inst.input.attr('size', this._formatDate(inst, date).length);
    }
  },

  /* Attach an inline date picker to a div. */
  _inlineDatepicker: function(target, inst) {
    var divSpan = $(target);
    if (divSpan.hasClass(this.markerClassName))
      return;
    divSpan.addClass(this.markerClassName).append(inst.dpDiv).
      bind("setData.datepicker", function(event, key, value){
        inst.settings[key] = value;
      }).bind("getData.datepicker", function(event, key){
        return this._get(inst, key);
      });
    $.data(target, PROP_NAME, inst);
    this._setDate(inst, this._getDefaultDate(inst), true);
    this._updateDatepicker(inst);
    this._updateAlternate(inst);
    inst.dpDiv.show();
  },

  /* Pop-up the date picker in a "dialog" box.
     @param  input     element - ignored
     @param  date      string or Date - the initial date to display
     @param  onSelect  function - the function to call when a date is selected
     @param  settings  object - update the dialog date picker instance's settings (anonymous object)
     @param  pos       int[2] - coordinates for the dialog's position within the screen or
                       event - with x/y coordinates or
                       leave empty for default (screen centre)
     @return the manager object */
  _dialogDatepicker: function(input, date, onSelect, settings, pos) {
    var inst = this._dialogInst; // internal instance
    if (!inst) {
      this.uuid += 1;
      var id = 'dp' + this.uuid;
      this._dialogInput = $('<input type="text" id="' + id +
        '" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>');
      this._dialogInput.keydown(this._doKeyDown);
      $('body').append(this._dialogInput);
      inst = this._dialogInst = this._newInst(this._dialogInput, false);
      inst.settings = {};
      $.data(this._dialogInput[0], PROP_NAME, inst);
    }
    extendRemove(inst.settings, settings || {});
    date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
    this._dialogInput.val(date);

    this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
    if (!this._pos) {
      var browserWidth = document.documentElement.clientWidth;
      var browserHeight = document.documentElement.clientHeight;
      var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
      var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
      this._pos = // should use actual width/height below
        [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
    }

    // move input on screen for focus, but hidden behind dialog
    this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
    inst.settings.onSelect = onSelect;
    this._inDialog = true;
    this.dpDiv.addClass(this._dialogClass);
    this._showDatepicker(this._dialogInput[0]);
    if ($.blockUI)
      $.blockUI(this.dpDiv);
    $.data(this._dialogInput[0], PROP_NAME, inst);
    return this;
  },

  /* Detach a datepicker from its control.
     @param  target    element - the target input field or division or span */
  _destroyDatepicker: function(target) {
    var $target = $(target);
    var inst = $.data(target, PROP_NAME);
    if (!$target.hasClass(this.markerClassName)) {
      return;
    }
    var nodeName = target.nodeName.toLowerCase();
    $.removeData(target, PROP_NAME);
    if (nodeName == 'input') {
      inst.append.remove();
      inst.trigger.remove();
      $target.removeClass(this.markerClassName).
        unbind('focus', this._showDatepicker).
        unbind('keydown', this._doKeyDown).
        unbind('keypress', this._doKeyPress).
        unbind('keyup', this._doKeyUp);
    } else if (nodeName == 'div' || nodeName == 'span')
      $target.removeClass(this.markerClassName).empty();
  },

  /* Enable the date picker to a jQuery selection.
     @param  target    element - the target input field or division or span */
  _enableDatepicker: function(target) {
    var $target = $(target);
    var inst = $.data(target, PROP_NAME);
    if (!$target.hasClass(this.markerClassName)) {
      return;
    }
    var nodeName = target.nodeName.toLowerCase();
    if (nodeName == 'input') {
      target.disabled = false;
      inst.trigger.filter('button').
        each(function() { this.disabled = false; }).end().
        filter('img').css({opacity: '1.0', cursor: ''});
    }
    else if (nodeName == 'div' || nodeName == 'span') {
      var inline = $target.children('.' + this._inlineClass);
      inline.children().removeClass('ui-state-disabled');
    }
    this._disabledInputs = $.map(this._disabledInputs,
      function(value) { return (value == target ? null : value); }); // delete entry
  },

  /* Disable the date picker to a jQuery selection.
     @param  target    element - the target input field or division or span */
  _disableDatepicker: function(target) {
    var $target = $(target);
    var inst = $.data(target, PROP_NAME);
    if (!$target.hasClass(this.markerClassName)) {
      return;
    }
    var nodeName = target.nodeName.toLowerCase();
    if (nodeName == 'input') {
      target.disabled = true;
      inst.trigger.filter('button').
        each(function() { this.disabled = true; }).end().
        filter('img').css({opacity: '0.5', cursor: 'default'});
    }
    else if (nodeName == 'div' || nodeName == 'span') {
      var inline = $target.children('.' + this._inlineClass);
      inline.children().addClass('ui-state-disabled');
    }
    this._disabledInputs = $.map(this._disabledInputs,
      function(value) { return (value == target ? null : value); }); // delete entry
    this._disabledInputs[this._disabledInputs.length] = target;
  },

  /* Is the first field in a jQuery collection disabled as a datepicker?
     @param  target    element - the target input field or division or span
     @return boolean - true if disabled, false if enabled */
  _isDisabledDatepicker: function(target) {
    if (!target) {
      return false;
    }
    for (var i = 0; i < this._disabledInputs.length; i++) {
      if (this._disabledInputs[i] == target)
        return true;
    }
    return false;
  },

  /* Retrieve the instance data for the target control.
     @param  target  element - the target input field or division or span
     @return  object - the associated instance data
     @throws  error if a jQuery problem getting data */
  _getInst: function(target) {
    try {
      return $.data(target, PROP_NAME);
    }
    catch (err) {
      throw 'Missing instance data for this datepicker';
    }
  },

  /* Update or retrieve the settings for a date picker attached to an input field or division.
     @param  target  element - the target input field or division or span
     @param  name    object - the new settings to update or
                     string - the name of the setting to change or retrieve,
                     when retrieving also 'all' for all instance settings or
                     'defaults' for all global defaults
     @param  value   any - the new value for the setting
                     (omit if above is an object or to retrieve a value) */
  _optionDatepicker: function(target, name, value) {
    var inst = this._getInst(target);
    if (arguments.length == 2 && typeof name == 'string') {
      return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
        (inst ? (name == 'all' ? $.extend({}, inst.settings) :
        this._get(inst, name)) : null));
    }
    var settings = name || {};
    if (typeof name == 'string') {
      settings = {};
      settings[name] = value;
    }
    if (inst) {
      if (this._curInst == inst) {
        this._hideDatepicker();
      }
      var date = this._getDateDatepicker(target, true);
      var minDate = this._getMinMaxDate(inst, 'min');
      var maxDate = this._getMinMaxDate(inst, 'max');
      extendRemove(inst.settings, settings);
      // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
      if (minDate !== null && settings['dateFormat'] !== undefined && settings['minDate'] === undefined)
        inst.settings.minDate = this._formatDate(inst, minDate);
      if (maxDate !== null && settings['dateFormat'] !== undefined && settings['maxDate'] === undefined)
        inst.settings.maxDate = this._formatDate(inst, maxDate);
      this._attachments($(target), inst);
      this._autoSize(inst);
      this._setDateDatepicker(target, date);
      this._updateDatepicker(inst);
    }
  },

  // change method deprecated
  _changeDatepicker: function(target, name, value) {
    this._optionDatepicker(target, name, value);
  },

  /* Redraw the date picker attached to an input field or division.
     @param  target  element - the target input field or division or span */
  _refreshDatepicker: function(target) {
    var inst = this._getInst(target);
    if (inst) {
      this._updateDatepicker(inst);
    }
  },

  /* Set the dates for a jQuery selection.
     @param  target   element - the target input field or division or span
     @param  date     Date - the new date */
  _setDateDatepicker: function(target, date) {
    var inst = this._getInst(target);
    if (inst) {
      this._setDate(inst, date);
      this._updateDatepicker(inst);
      this._updateAlternate(inst);
    }
  },

  /* Get the date(s) for the first entry in a jQuery selection.
     @param  target     element - the target input field or division or span
     @param  noDefault  boolean - true if no default date is to be used
     @return Date - the current date */
  _getDateDatepicker: function(target, noDefault) {
    var inst = this._getInst(target);
    if (inst && !inst.inline)
      this._setDateFromField(inst, noDefault);
    return (inst ? this._getDate(inst) : null);
  },

  /* Handle keystrokes. */
  _doKeyDown: function(event) {
    var inst = $.datepicker._getInst(event.target);
    var handled = true;
    var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
    inst._keyEvent = true;
    if ($.datepicker._datepickerShowing)
      switch (event.keyCode) {
        case 9: $.datepicker._hideDatepicker();
            handled = false;
            break; // hide on tab out
        case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' + 
                  $.datepicker._currentClass + ')', inst.dpDiv);
            if (sel[0])
              $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
            else
              $.datepicker._hideDatepicker();
            return false; // don't submit the form
            break; // select the value on enter
        case 27: $.datepicker._hideDatepicker();
            break; // hide on escape
        case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
              -$.datepicker._get(inst, 'stepBigMonths') :
              -$.datepicker._get(inst, 'stepMonths')), 'M');
            break; // previous month/year on page up/+ ctrl
        case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
              +$.datepicker._get(inst, 'stepBigMonths') :
              +$.datepicker._get(inst, 'stepMonths')), 'M');
            break; // next month/year on page down/+ ctrl
        case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
            handled = event.ctrlKey || event.metaKey;
            break; // clear on ctrl or command +end
        case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
            handled = event.ctrlKey || event.metaKey;
            break; // current on ctrl or command +home
        case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
            handled = event.ctrlKey || event.metaKey;
            // -1 day on ctrl or command +left
            if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
                  -$.datepicker._get(inst, 'stepBigMonths') :
                  -$.datepicker._get(inst, 'stepMonths')), 'M');
            // next month/year on alt +left on Mac
            break;
        case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
            handled = event.ctrlKey || event.metaKey;
            break; // -1 week on ctrl or command +up
        case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
            handled = event.ctrlKey || event.metaKey;
            // +1 day on ctrl or command +right
            if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
                  +$.datepicker._get(inst, 'stepBigMonths') :
                  +$.datepicker._get(inst, 'stepMonths')), 'M');
            // next month/year on alt +right
            break;
        case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
            handled = event.ctrlKey || event.metaKey;
            break; // +1 week on ctrl or command +down
        default: handled = false;
      }
    else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
      $.datepicker._showDatepicker(this);
    else {
      handled = false;
    }
    if (handled) {
      event.preventDefault();
      event.stopPropagation();
    }
  },

  /* Filter entered characters - based on date format. */
  _doKeyPress: function(event) {
    var inst = $.datepicker._getInst(event.target);
    if ($.datepicker._get(inst, 'constrainInput')) {
      var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
      var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
      return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
    }
  },

  /* Synchronise manual entry and field/alternate field. */
  _doKeyUp: function(event) {
    var inst = $.datepicker._getInst(event.target);
    if (inst.input.val() != inst.lastVal) {
      try {
        var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
          (inst.input ? inst.input.val() : null),
          $.datepicker._getFormatConfig(inst));
        if (date) { // only if valid
          $.datepicker._setDateFromField(inst);
          $.datepicker._updateAlternate(inst);
          $.datepicker._updateDatepicker(inst);
        }
      }
      catch (event) {
        $.datepicker.log(event);
      }
    }
    return true;
  },

  /* Pop-up the date picker for a given input field.
     @param  input  element - the input field attached to the date picker or
                    event - if triggered by focus */
  _showDatepicker: function(input) {
    input = input.target || input;
    if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
      input = $('input', input.parentNode)[0];
    if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
      return;
    var inst = $.datepicker._getInst(input);
    if ($.datepicker._curInst && $.datepicker._curInst != inst) {
      $.datepicker._curInst.dpDiv.stop(true, true);
    }
    var beforeShow = $.datepicker._get(inst, 'beforeShow');
    extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
    inst.lastVal = null;
    $.datepicker._lastInput = input;
    $.datepicker._setDateFromField(inst);
    if ($.datepicker._inDialog) // hide cursor
      input.value = '';
    if (!$.datepicker._pos) { // position below input
      $.datepicker._pos = $.datepicker._findPos(input);
      $.datepicker._pos[1] += input.offsetHeight; // add the height
    }
    var isFixed = false;
    $(input).parents().each(function() {
      isFixed |= $(this).css('position') == 'fixed';
      return !isFixed;
    });
    if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
      $.datepicker._pos[0] -= document.documentElement.scrollLeft;
      $.datepicker._pos[1] -= document.documentElement.scrollTop;
    }
    var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
    $.datepicker._pos = null;
    //to avoid flashes on Firefox
    inst.dpDiv.empty();
    // determine sizing offscreen
    inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
    $.datepicker._updateDatepicker(inst);
    // fix width for dynamic number of date pickers
    // and adjust position before showing
    offset = $.datepicker._checkOffset(inst, offset, isFixed);
    inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
      'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
      left: offset.left + 'px', top: offset.top + 'px'});
    if (!inst.inline) {
      var showAnim = $.datepicker._get(inst, 'showAnim');
      var duration = $.datepicker._get(inst, 'duration');
      var postProcess = function() {
        $.datepicker._datepickerShowing = true;
        var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
        if(!! cover.length){
          var borders = $.datepicker._getBorders(inst.dpDiv);
          cover.css({left: -borders[0], top: -borders[1],
            width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
        }
      };
      inst.dpDiv.zIndex($(input).zIndex()+1);
      if ($.effects && $.effects[showAnim])
        inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
      else
        inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
      if (!showAnim || !duration)
        postProcess();
      if (inst.input.is(':visible') && !inst.input.is(':disabled'))
        inst.input.focus();
      $.datepicker._curInst = inst;
    }
  },

  /* Generate the date picker content. */
  _updateDatepicker: function(inst) {
    var self = this;
    var borders = $.datepicker._getBorders(inst.dpDiv);
    inst.dpDiv.empty().append(this._generateHTML(inst));
    var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
    if(!!cover.length){ //avoid call to outerXXXX() when not in IE6
      cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
    }
    inst.dpDiv.find('button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a')
        .bind('mouseout', function(){
          $(this).removeClass('ui-state-hover');
          if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
          if(this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover');
        })
        .bind('mouseover', function(){
          if (!self._isDisabledDatepicker(inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
            $(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
            $(this).addClass('ui-state-hover');
            if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
            if(this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover');
          }
        })
      .end()
      .find('.' + this._dayOverClass + ' a')
        .trigger('mouseover')
      .end();
    var numMonths = this._getNumberOfMonths(inst);
    var cols = numMonths[1];
    var width = 17;
    if (cols > 1)
      inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
    else
      inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
    inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
      'Class']('ui-datepicker-multi');
    inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
      'Class']('ui-datepicker-rtl');
    if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
        // #6694 - don't focus the input if it's already focused
        // this breaks the change event in IE
        inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] != document.activeElement)
      inst.input.focus();
    // deffered render of the years select (to avoid flashes on Firefox) 
    if(inst.yearshtml){
      var origyearshtml = inst.yearshtml;
      setTimeout(function(){
        //assure that inst.yearshtml didn't change.
        if(origyearshtml === inst.yearshtml){
          inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
        }
        origyearshtml = inst.yearshtml = null;
      }, 0);
    }
  },

  /* Retrieve the size of left and top borders for an element.
     @param  elem  (jQuery object) the element of interest
     @return  (number[2]) the left and top borders */
  _getBorders: function(elem) {
    var convert = function(value) {
      return {thin: 1, medium: 2, thick: 3}[value] || value;
    };
    return [parseFloat(convert(elem.css('border-left-width'))),
      parseFloat(convert(elem.css('border-top-width')))];
  },

  /* Check positioning to remain on screen. */
  _checkOffset: function(inst, offset, isFixed) {
    var dpWidth = inst.dpDiv.outerWidth();
    var dpHeight = inst.dpDiv.outerHeight();
    var inputWidth = inst.input ? inst.input.outerWidth() : 0;
    var inputHeight = inst.input ? inst.input.outerHeight() : 0;
    var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
    var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();

    offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
    offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
    offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;

    // now check if datepicker is showing outside window viewport - move to a better place if so.
    offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
      Math.abs(offset.left + dpWidth - viewWidth) : 0);
    offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
      Math.abs(dpHeight + inputHeight) : 0);

    return offset;
  },

  /* Find an object's position on the screen. */
  _findPos: function(obj) {
    var inst = this._getInst(obj);
    var isRTL = this._get(inst, 'isRTL');
        while (obj && (obj.type == 'hidden' || obj.nodeType != 1 || $.expr.filters.hidden(obj))) {
            obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
        }
        var position = $(obj).offset();
      return [position.left, position.top];
  },

  /* Hide the date picker from view.
     @param  input  element - the input field attached to the date picker */
  _hideDatepicker: function(input) {
    var inst = this._curInst;
    if (!inst || (input && inst != $.data(input, PROP_NAME)))
      return;
    if (this._datepickerShowing) {
      var showAnim = this._get(inst, 'showAnim');
      var duration = this._get(inst, 'duration');
      var postProcess = function() {
        $.datepicker._tidyDialog(inst);
        this._curInst = null;
      };
      if ($.effects && $.effects[showAnim])
        inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
      else
        inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
          (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
      if (!showAnim)
        postProcess();
      var onClose = this._get(inst, 'onClose');
      if (onClose)
        onClose.apply((inst.input ? inst.input[0] : null),
          [(inst.input ? inst.input.val() : ''), inst]);  // trigger custom callback
      this._datepickerShowing = false;
      this._lastInput = null;
      if (this._inDialog) {
        this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
        if ($.blockUI) {
          $.unblockUI();
          $('body').append(this.dpDiv);
        }
      }
      this._inDialog = false;
    }
  },

  /* Tidy up after a dialog display. */
  _tidyDialog: function(inst) {
    inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
  },

  /* Close date picker if clicked elsewhere. */
  _checkExternalClick: function(event) {
    if (!$.datepicker._curInst)
      return;
    var $target = $(event.target);
    if ($target[0].id != $.datepicker._mainDivId &&
        $target.parents('#' + $.datepicker._mainDivId).length == 0 &&
        !$target.hasClass($.datepicker.markerClassName) &&
        !$target.hasClass($.datepicker._triggerClass) &&
        $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
      $.datepicker._hideDatepicker();
  },

  /* Adjust one of the date sub-fields. */
  _adjustDate: function(id, offset, period) {
    var target = $(id);
    var inst = this._getInst(target[0]);
    if (this._isDisabledDatepicker(target[0])) {
      return;
    }
    this._adjustInstDate(inst, offset +
      (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
      period);
    this._updateDatepicker(inst);
  },

  /* Action for current link. */
  _gotoToday: function(id) {
    var target = $(id);
    var inst = this._getInst(target[0]);
    if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
      inst.selectedDay = inst.currentDay;
      inst.drawMonth = inst.selectedMonth = inst.currentMonth;
      inst.drawYear = inst.selectedYear = inst.currentYear;
    }
    else {
      var date = new Date();
      inst.selectedDay = date.getDate();
      inst.drawMonth = inst.selectedMonth = date.getMonth();
      inst.drawYear = inst.selectedYear = date.getFullYear();
    }
    this._notifyChange(inst);
    this._adjustDate(target);
  },

  /* Action for selecting a new month/year. */
  _selectMonthYear: function(id, select, period) {
    var target = $(id);
    var inst = this._getInst(target[0]);
    inst._selectingMonthYear = false;
    inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
    inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
      parseInt(select.options[select.selectedIndex].value,10);
    this._notifyChange(inst);
    this._adjustDate(target);
  },

  /* Restore input focus after not changing month/year. */
  _clickMonthYear: function(id) {
    var target = $(id);
    var inst = this._getInst(target[0]);
    if (inst.input && inst._selectingMonthYear) {
      setTimeout(function() {
        inst.input.focus();
      }, 0);
    }
    inst._selectingMonthYear = !inst._selectingMonthYear;
  },

  /* Action for selecting a day. */
  _selectDay: function(id, month, year, td) {
    var target = $(id);
    if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
      return;
    }
    var inst = this._getInst(target[0]);
    inst.selectedDay = inst.currentDay = $('a', td).html();
    inst.selectedMonth = inst.currentMonth = month;
    inst.selectedYear = inst.currentYear = year;
    this._selectDate(id, this._formatDate(inst,
      inst.currentDay, inst.currentMonth, inst.currentYear));
  },

  /* Erase the input field and hide the date picker. */
  _clearDate: function(id) {
    var target = $(id);
    var inst = this._getInst(target[0]);
    this._selectDate(target, '');
  },

  /* Update the input field with the selected date. */
  _selectDate: function(id, dateStr) {
    var target = $(id);
    var inst = this._getInst(target[0]);
    dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
    if (inst.input)
      inst.input.val(dateStr);
    this._updateAlternate(inst);
    var onSelect = this._get(inst, 'onSelect');
    if (onSelect)
      onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback
    else if (inst.input)
      inst.input.trigger('change'); // fire the change event
    if (inst.inline)
      this._updateDatepicker(inst);
    else {
      this._hideDatepicker();
      this._lastInput = inst.input[0];
      if (typeof(inst.input[0]) != 'object')
        inst.input.focus(); // restore focus
      this._lastInput = null;
    }
  },

  /* Update any alternate field to synchronise with the main field. */
  _updateAlternate: function(inst) {
    var altField = this._get(inst, 'altField');
    if (altField) { // update alternate field too
      var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
      var date = this._getDate(inst);
      var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
      $(altField).each(function() { $(this).val(dateStr); });
    }
  },

  /* Set as beforeShowDay function to prevent selection of weekends.
     @param  date  Date - the date to customise
     @return [boolean, string] - is this date selectable?, what is its CSS class? */
  noWeekends: function(date) {
    var day = date.getDay();
    return [(day > 0 && day < 6), ''];
  },

  /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
     @param  date  Date - the date to get the week for
     @return  number - the number of the week within the year that contains this date */
  iso8601Week: function(date) {
    var checkDate = new Date(date.getTime());
    // Find Thursday of this week starting on Monday
    checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
    var time = checkDate.getTime();
    checkDate.setMonth(0); // Compare with Jan 1
    checkDate.setDate(1);
    return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
  },

  /* Parse a string value into a date object.
     See formatDate below for the possible formats.

     @param  format    string - the expected format of the date
     @param  value     string - the date in the above format
     @param  settings  Object - attributes include:
                       shortYearCutoff  number - the cutoff year for determining the century (optional)
                       dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
                       dayNames         string[7] - names of the days from Sunday (optional)
                       monthNamesShort  string[12] - abbreviated names of the months (optional)
                       monthNames       string[12] - names of the months (optional)
     @return  Date - the extracted date value or null if value is blank */
  parseDate: function (format, value, settings) {
    if (format == null || value == null)
      throw 'Invalid arguments';
    value = (typeof value == 'object' ? value.toString() : value + '');
    if (value == '')
      return null;
    var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
    shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
        new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
    var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
    var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
    var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
    var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
    var year = -1;
    var month = -1;
    var day = -1;
    var doy = -1;
    var literal = false;
    // Check whether a format character is doubled
    var lookAhead = function(match) {
      var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
      if (matches)
        iFormat++;
      return matches;
    };
    // Extract a number from the string value
    var getNumber = function(match) {
      var isDoubled = lookAhead(match);
      var size = (match == '@' ? 14 : (match == '!' ? 20 :
        (match == 'y' && isDoubled ? 4 : (match == 'o' ? 3 : 2))));
      var digits = new RegExp('^\\d{1,' + size + '}');
      var num = value.substring(iValue).match(digits);
      if (!num)
        throw 'Missing number at position ' + iValue;
      iValue += num[0].length;
      return parseInt(num[0], 10);
    };
    // Extract a name from the string value and convert to an index
    var getName = function(match, shortNames, longNames) {
      var names = (lookAhead(match) ? longNames : shortNames);
      for (var i = 0; i < names.length; i++) {
        if (value.substr(iValue, names[i].length).toLowerCase() == names[i].toLowerCase()) {
          iValue += names[i].length;
          return i + 1;
        }
      }
      throw 'Unknown name at position ' + iValue;
    };
    // Confirm that a literal character matches the string value
    var checkLiteral = function() {
      if (value.charAt(iValue) != format.charAt(iFormat))
        throw 'Unexpected literal at position ' + iValue;
      iValue++;
    };
    var iValue = 0;
    for (var iFormat = 0; iFormat < format.length; iFormat++) {
      if (literal)
        if (format.charAt(iFormat) == "'" && !lookAhead("'"))
          literal = false;
        else
          checkLiteral();
      else
        switch (format.charAt(iFormat)) {
          case 'd':
            day = getNumber('d');
            break;
          case 'D':
            getName('D', dayNamesShort, dayNames);
            break;
          case 'o':
            doy = getNumber('o');
            break;
          case 'm':
            month = getNumber('m');
            break;
          case 'M':
            month = getName('M', monthNamesShort, monthNames);
            break;
          case 'y':
            year = getNumber('y');
            break;
          case '@':
            var date = new Date(getNumber('@'));
            year = date.getFullYear();
            month = date.getMonth() + 1;
            day = date.getDate();
            break;
          case '!':
            var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
            year = date.getFullYear();
            month = date.getMonth() + 1;
            day = date.getDate();
            break;
          case "'":
            if (lookAhead("'"))
              checkLiteral();
            else
              literal = true;
            break;
          default:
            checkLiteral();
        }
    }
    if (year == -1)
      year = new Date().getFullYear();
    else if (year < 100)
      year += new Date().getFullYear() - new Date().getFullYear() % 100 +
        (year <= shortYearCutoff ? 0 : -100);
    if (doy > -1) {
      month = 1;
      day = doy;
      do {
        var dim = this._getDaysInMonth(year, month - 1);
        if (day <= dim)
          break;
        month++;
        day -= dim;
      } while (true);
    }
    var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
    if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
      throw 'Invalid date'; // E.g. 31/02/*
    return date;
  },

  /* Standard date formats. */
  ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
  COOKIE: 'D, dd M yy',
  ISO_8601: 'yy-mm-dd',
  RFC_822: 'D, d M y',
  RFC_850: 'DD, dd-M-y',
  RFC_1036: 'D, d M y',
  RFC_1123: 'D, d M yy',
  RFC_2822: 'D, d M yy',
  RSS: 'D, d M y', // RFC 822
  TICKS: '!',
  TIMESTAMP: '@',
  W3C: 'yy-mm-dd', // ISO 8601

  _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
    Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),

  /* Format a date object into a string value.
     The format can be combinations of the following:
     d  - day of month (no leading zero)
     dd - day of month (two digit)
     o  - day of year (no leading zeros)
     oo - day of year (three digit)
     D  - day name short
     DD - day name long
     m  - month of year (no leading zero)
     mm - month of year (two digit)
     M  - month name short
     MM - month name long
     y  - year (two digit)
     yy - year (four digit)
     @ - Unix timestamp (ms since 01/01/1970)
     ! - Windows ticks (100ns since 01/01/0001)
     '...' - literal text
     '' - single quote

     @param  format    string - the desired format of the date
     @param  date      Date - the date value to format
     @param  settings  Object - attributes include:
                       dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
                       dayNames         string[7] - names of the days from Sunday (optional)
                       monthNamesShort  string[12] - abbreviated names of the months (optional)
                       monthNames       string[12] - names of the months (optional)
     @return  string - the date in the above format */
  formatDate: function (format, date, settings) {
    if (!date)
      return '';
    var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
    var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
    var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
    var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
    // Check whether a format character is doubled
    var lookAhead = function(match) {
      var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
      if (matches)
        iFormat++;
      return matches;
    };
    // Format a number, with leading zero if necessary
    var formatNumber = function(match, value, len) {
      var num = '' + value;
      if (lookAhead(match))
        while (num.length < len)
          num = '0' + num;
      return num;
    };
    // Format a name, short or long as requested
    var formatName = function(match, value, shortNames, longNames) {
      return (lookAhead(match) ? longNames[value] : shortNames[value]);
    };
    var output = '';
    var literal = false;
    if (date)
      for (var iFormat = 0; iFormat < format.length; iFormat++) {
        if (literal)
          if (format.charAt(iFormat) == "'" && !lookAhead("'"))
            literal = false;
          else
            output += format.charAt(iFormat);
        else
          switch (format.charAt(iFormat)) {
            case 'd':
              output += formatNumber('d', date.getDate(), 2);
              break;
            case 'D':
              output += formatName('D', date.getDay(), dayNamesShort, dayNames);
              break;
            case 'o':
              output += formatNumber('o',
                (date.getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000, 3);
              break;
            case 'm':
              output += formatNumber('m', date.getMonth() + 1, 2);
              break;
            case 'M':
              output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
              break;
            case 'y':
              output += (lookAhead('y') ? date.getFullYear() :
                (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
              break;
            case '@':
              output += date.getTime();
              break;
            case '!':
              output += date.getTime() * 10000 + this._ticksTo1970;
              break;
            case "'":
              if (lookAhead("'"))
                output += "'";
              else
                literal = true;
              break;
            default:
              output += format.charAt(iFormat);
          }
      }
    return output;
  },

  /* Extract all possible characters from the date format. */
  _possibleChars: function (format) {
    var chars = '';
    var literal = false;
    // Check whether a format character is doubled
    var lookAhead = function(match) {
      var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
      if (matches)
        iFormat++;
      return matches;
    };
    for (var iFormat = 0; iFormat < format.length; iFormat++)
      if (literal)
        if (format.charAt(iFormat) == "'" && !lookAhead("'"))
          literal = false;
        else
          chars += format.charAt(iFormat);
      else
        switch (format.charAt(iFormat)) {
          case 'd': case 'm': case 'y': case '@':
            chars += '0123456789';
            break;
          case 'D': case 'M':
            return null; // Accept anything
          case "'":
            if (lookAhead("'"))
              chars += "'";
            else
              literal = true;
            break;
          default:
            chars += format.charAt(iFormat);
        }
    return chars;
  },

  /* Get a setting value, defaulting if necessary. */
  _get: function(inst, name) {
    return inst.settings[name] !== undefined ?
      inst.settings[name] : this._defaults[name];
  },

  /* Parse existing date and initialise date picker. */
  _setDateFromField: function(inst, noDefault) {
    if (inst.input.val() == inst.lastVal) {
      return;
    }
    var dateFormat = this._get(inst, 'dateFormat');
    var dates = inst.lastVal = inst.input ? inst.input.val() : null;
    var date, defaultDate;
    date = defaultDate = this._getDefaultDate(inst);
    var settings = this._getFormatConfig(inst);
    try {
      date = this.parseDate(dateFormat, dates, settings) || defaultDate;
    } catch (event) {
      this.log(event);
      dates = (noDefault ? '' : dates);
    }
    inst.selectedDay = date.getDate();
    inst.drawMonth = inst.selectedMonth = date.getMonth();
    inst.drawYear = inst.selectedYear = date.getFullYear();
    inst.currentDay = (dates ? date.getDate() : 0);
    inst.currentMonth = (dates ? date.getMonth() : 0);
    inst.currentYear = (dates ? date.getFullYear() : 0);
    this._adjustInstDate(inst);
  },

  /* Retrieve the default date shown on opening. */
  _getDefaultDate: function(inst) {
    return this._restrictMinMax(inst,
      this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
  },

  /* A date may be specified as an exact value or a relative one. */
  _determineDate: function(inst, date, defaultDate) {
    var offsetNumeric = function(offset) {
      var date = new Date();
      date.setDate(date.getDate() + offset);
      return date;
    };
    var offsetString = function(offset) {
      try {
        return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
          offset, $.datepicker._getFormatConfig(inst));
      }
      catch (e) {
        // Ignore
      }
      var date = (offset.toLowerCase().match(/^c/) ?
        $.datepicker._getDate(inst) : null) || new Date();
      var year = date.getFullYear();
      var month = date.getMonth();
      var day = date.getDate();
      var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
      var matches = pattern.exec(offset);
      while (matches) {
        switch (matches[2] || 'd') {
          case 'd' : case 'D' :
            day += parseInt(matches[1],10); break;
          case 'w' : case 'W' :
            day += parseInt(matches[1],10) * 7; break;
          case 'm' : case 'M' :
            month += parseInt(matches[1],10);
            day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
            break;
          case 'y': case 'Y' :
            year += parseInt(matches[1],10);
            day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
            break;
        }
        matches = pattern.exec(offset);
      }
      return new Date(year, month, day);
    };
    var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
      (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
    newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
    if (newDate) {
      newDate.setHours(0);
      newDate.setMinutes(0);
      newDate.setSeconds(0);
      newDate.setMilliseconds(0);
    }
    return this._daylightSavingAdjust(newDate);
  },

  /* Handle switch to/from daylight saving.
     Hours may be non-zero on daylight saving cut-over:
     > 12 when midnight changeover, but then cannot generate
     midnight datetime, so jump to 1AM, otherwise reset.
     @param  date  (Date) the date to check
     @return  (Date) the corrected date */
  _daylightSavingAdjust: function(date) {
    if (!date) return null;
    date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
    return date;
  },

  /* Set the date(s) directly. */
  _setDate: function(inst, date, noChange) {
    var clear = !date;
    var origMonth = inst.selectedMonth;
    var origYear = inst.selectedYear;
    var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
    inst.selectedDay = inst.currentDay = newDate.getDate();
    inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
    inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
    if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange)
      this._notifyChange(inst);
    this._adjustInstDate(inst);
    if (inst.input) {
      inst.input.val(clear ? '' : this._formatDate(inst));
    }
  },

  /* Retrieve the date(s) directly. */
  _getDate: function(inst) {
    var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
      this._daylightSavingAdjust(new Date(
      inst.currentYear, inst.currentMonth, inst.currentDay)));
      return startDate;
  },

  /* Generate the HTML for the current state of the date picker. */
  _generateHTML: function(inst) {
    var today = new Date();
    today = this._daylightSavingAdjust(
      new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
    var isRTL = this._get(inst, 'isRTL');
    var showButtonPanel = this._get(inst, 'showButtonPanel');
    var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
    var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
    var numMonths = this._getNumberOfMonths(inst);
    var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
    var stepMonths = this._get(inst, 'stepMonths');
    var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
    var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
      new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
    var minDate = this._getMinMaxDate(inst, 'min');
    var maxDate = this._getMinMaxDate(inst, 'max');
    var drawMonth = inst.drawMonth - showCurrentAtPos;
    var drawYear = inst.drawYear;
    if (drawMonth < 0) {
      drawMonth += 12;
      drawYear--;
    }
    if (maxDate) {
      var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
        maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
      maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
      while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
        drawMonth--;
        if (drawMonth < 0) {
          drawMonth = 11;
          drawYear--;
        }
      }
    }
    inst.drawMonth = drawMonth;
    inst.drawYear = drawYear;
    var prevText = this._get(inst, 'prevText');
    prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
      this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
      this._getFormatConfig(inst)));
    var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
      '<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery_' + dpuuid +
      '.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
      ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
      (hideIfNoPrevNext ? '' : '<a class="ui-datepicker-prev ui-corner-all ui-state-disabled" title="'+ prevText +'"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>'));
    var nextText = this._get(inst, 'nextText');
    nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
      this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
      this._getFormatConfig(inst)));
    var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
      '<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery_' + dpuuid +
      '.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
      ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
      (hideIfNoPrevNext ? '' : '<a class="ui-datepicker-next ui-corner-all ui-state-disabled" title="'+ nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>'));
    var currentText = this._get(inst, 'currentText');
    var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
    currentText = (!navigationAsDateFormat ? currentText :
      this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
    var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
      '.datepicker._hideDatepicker();">' + this._get(inst, 'closeText') + '</button>' : '');
    var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
      (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
      '.datepicker._gotoToday(\'#' + inst.id + '\');"' +
      '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
    var firstDay = parseInt(this._get(inst, 'firstDay'),10);
    firstDay = (isNaN(firstDay) ? 0 : firstDay);
    var showWeek = this._get(inst, 'showWeek');
    var dayNames = this._get(inst, 'dayNames');
    var dayNamesShort = this._get(inst, 'dayNamesShort');
    var dayNamesMin = this._get(inst, 'dayNamesMin');
    var monthNames = this._get(inst, 'monthNames');
    var monthNamesShort = this._get(inst, 'monthNamesShort');
    var beforeShowDay = this._get(inst, 'beforeShowDay');
    var showOtherMonths = this._get(inst, 'showOtherMonths');
    var selectOtherMonths = this._get(inst, 'selectOtherMonths');
    var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
    var defaultDate = this._getDefaultDate(inst);
    var html = '';
    for (var row = 0; row < numMonths[0]; row++) {
      var group = '';
      for (var col = 0; col < numMonths[1]; col++) {
        var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
        var cornerClass = ' ui-corner-all';
        var calender = '';
        if (isMultiMonth) {
          calender += '<div class="ui-datepicker-group';
          if (numMonths[1] > 1)
            switch (col) {
              case 0: calender += ' ui-datepicker-group-first';
                cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
              case numMonths[1]-1: calender += ' ui-datepicker-group-last';
                cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
              default: calender += ' ui-datepicker-group-middle'; cornerClass = ''; break;
            }
          calender += '">';
        }
        calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
          (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
          (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
          this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
          row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
          '</div><table class="ui-datepicker-calendar"><thead>' +
          '<tr>';
        var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
        for (var dow = 0; dow < 7; dow++) { // days of the week
          var day = (dow + firstDay) % 7;
          thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
            '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
        }
        calender += thead + '</tr></thead><tbody>';
        var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
        if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
          inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
        var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
        var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
        var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
        for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
          calender += '<tr>';
          var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
            this._get(inst, 'calculateWeek')(printDate) + '</td>');
          for (var dow = 0; dow < 7; dow++) { // create date picker days
            var daySettings = (beforeShowDay ?
              beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
            var otherMonth = (printDate.getMonth() != drawMonth);
            var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
              (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
            tbody += '<td class="' +
              ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
              (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
              ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
              (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
              // or defaultDate is current printedDate and defaultDate is selectedDate
              ' ' + this._dayOverClass : '') + // highlight selected day
              (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') +  // highlight unselectable days
              (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
              (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
              (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
              ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
              (unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' +
              inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + // actions
              (otherMonth && !showOtherMonths ? '&#xa0;' : // display for other months
              (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
              (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
              (printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + // highlight selected day
              (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
              '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
            printDate.setDate(printDate.getDate() + 1);
            printDate = this._daylightSavingAdjust(printDate);
          }
          calender += tbody + '</tr>';
        }
        drawMonth++;
        if (drawMonth > 11) {
          drawMonth = 0;
          drawYear++;
        }
        calender += '</tbody></table>' + (isMultiMonth ? '</div>' + 
              ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
        group += calender;
      }
      html += group;
    }
    html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
      '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
    inst._keyEvent = false;
    return html;
  },

  /* Generate the month and year header. */
  _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
      secondary, monthNames, monthNamesShort) {
    var changeMonth = this._get(inst, 'changeMonth');
    var changeYear = this._get(inst, 'changeYear');
    var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
    var html = '<div class="ui-datepicker-title">';
    var monthHtml = '';
    // month selection
    if (secondary || !changeMonth)
      monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
    else {
      var inMinYear = (minDate && minDate.getFullYear() == drawYear);
      var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
      monthHtml += '<select class="ui-datepicker-month" ' +
        'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
        'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
         '>';
      for (var month = 0; month < 12; month++) {
        if ((!inMinYear || month >= minDate.getMonth()) &&
            (!inMaxYear || month <= maxDate.getMonth()))
          monthHtml += '<option value="' + month + '"' +
            (month == drawMonth ? ' selected="selected"' : '') +
            '>' + monthNamesShort[month] + '</option>';
      }
      monthHtml += '</select>';
    }
    if (!showMonthAfterYear)
      html += monthHtml + (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '');
    // year selection
    inst.yearshtml = '';
    if (secondary || !changeYear)
      html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
    else {
      // determine range of years to display
      var years = this._get(inst, 'yearRange').split(':');
      var thisYear = new Date().getFullYear();
      var determineYear = function(value) {
        var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
          (value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
          parseInt(value, 10)));
        return (isNaN(year) ? thisYear : year);
      };
      var year = determineYear(years[0]);
      var endYear = Math.max(year, determineYear(years[1] || ''));
      year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
      endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
      inst.yearshtml += '<select class="ui-datepicker-year" ' +
        'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
        'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
        '>';
      for (; year <= endYear; year++) {
        inst.yearshtml += '<option value="' + year + '"' +
          (year == drawYear ? ' selected="selected"' : '') +
          '>' + year + '</option>';
      }
      inst.yearshtml += '</select>';
      //when showing there is no need for later update
      if(! $.browser.mozilla){
        html += inst.yearshtml;
        inst.yearshtml = null;
      } else {
        // will be replaced later with inst.yearshtml
        html += '<select class="ui-datepicker-year"><option value="' + drawYear + '" selected="selected">' + drawYear + '</option></select>';
      }
    }
    html += this._get(inst, 'yearSuffix');
    if (showMonthAfterYear)
      html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
    html += '</div>'; // Close datepicker_header
    return html;
  },

  /* Adjust one of the date sub-fields. */
  _adjustInstDate: function(inst, offset, period) {
    var year = inst.drawYear + (period == 'Y' ? offset : 0);
    var month = inst.drawMonth + (period == 'M' ? offset : 0);
    var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
      (period == 'D' ? offset : 0);
    var date = this._restrictMinMax(inst,
      this._daylightSavingAdjust(new Date(year, month, day)));
    inst.selectedDay = date.getDate();
    inst.drawMonth = inst.selectedMonth = date.getMonth();
    inst.drawYear = inst.selectedYear = date.getFullYear();
    if (period == 'M' || period == 'Y')
      this._notifyChange(inst);
  },

  /* Ensure a date is within any min/max bounds. */
  _restrictMinMax: function(inst, date) {
    var minDate = this._getMinMaxDate(inst, 'min');
    var maxDate = this._getMinMaxDate(inst, 'max');
    var newDate = (minDate && date < minDate ? minDate : date);
    newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
    return newDate;
  },

  /* Notify change of month/year. */
  _notifyChange: function(inst) {
    var onChange = this._get(inst, 'onChangeMonthYear');
    if (onChange)
      onChange.apply((inst.input ? inst.input[0] : null),
        [inst.selectedYear, inst.selectedMonth + 1, inst]);
  },

  /* Determine the number of months to show. */
  _getNumberOfMonths: function(inst) {
    var numMonths = this._get(inst, 'numberOfMonths');
    return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
  },

  /* Determine the current maximum date - ensure no time components are set. */
  _getMinMaxDate: function(inst, minMax) {
    return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
  },

  /* Find the number of days in a given month. */
  _getDaysInMonth: function(year, month) {
    return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
  },

  /* Find the day of the week of the first of a month. */
  _getFirstDayOfMonth: function(year, month) {
    return new Date(year, month, 1).getDay();
  },

  /* Determines if we should allow a "next/prev" month display change. */
  _canAdjustMonth: function(inst, offset, curYear, curMonth) {
    var numMonths = this._getNumberOfMonths(inst);
    var date = this._daylightSavingAdjust(new Date(curYear,
      curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
    if (offset < 0)
      date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
    return this._isInRange(inst, date);
  },

  /* Is the given date in the accepted range? */
  _isInRange: function(inst, date) {
    var minDate = this._getMinMaxDate(inst, 'min');
    var maxDate = this._getMinMaxDate(inst, 'max');
    return ((!minDate || date.getTime() >= minDate.getTime()) &&
      (!maxDate || date.getTime() <= maxDate.getTime()));
  },

  /* Provide the configuration settings for formatting/parsing. */
  _getFormatConfig: function(inst) {
    var shortYearCutoff = this._get(inst, 'shortYearCutoff');
    shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
      new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
    return {shortYearCutoff: shortYearCutoff,
      dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
      monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
  },

  /* Format the given date for display. */
  _formatDate: function(inst, day, month, year) {
    if (!day) {
      inst.currentDay = inst.selectedDay;
      inst.currentMonth = inst.selectedMonth;
      inst.currentYear = inst.selectedYear;
    }
    var date = (day ? (typeof day == 'object' ? day :
      this._daylightSavingAdjust(new Date(year, month, day))) :
      this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
    return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
  }
});

/* jQuery extend now ignores nulls! */
function extendRemove(target, props) {
  $.extend(target, props);
  for (var name in props)
    if (props[name] == null || props[name] == undefined)
      target[name] = props[name];
  return target;
};

/* Determine whether an object is an array. */
function isArray(a) {
  return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
    (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
};

/* Invoke the datepicker functionality.
   @param  options  string - a command, optionally followed by additional parameters or
                    Object - settings for attaching new datepicker functionality
   @return  jQuery object */
$.fn.datepicker = function(options){
  
  /* Verify an empty collection wasn't passed - Fixes #6976 */
  if (!this.length) {
    return this;
  }
  
  /* Initialise the date picker. */
  if (!$.datepicker.initialized) {
    $(document).mousedown($.datepicker._checkExternalClick).
      find('body').append($.datepicker.dpDiv);
    $.datepicker.initialized = true;
  }

  var otherArgs = Array.prototype.slice.call(arguments, 1);
  if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'widget'))
    return $.datepicker['_' + options + 'Datepicker'].
      apply($.datepicker, [this[0]].concat(otherArgs));
  if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
    return $.datepicker['_' + options + 'Datepicker'].
      apply($.datepicker, [this[0]].concat(otherArgs));
  return this.each(function() {
    typeof options == 'string' ?
      $.datepicker['_' + options + 'Datepicker'].
        apply($.datepicker, [this].concat(otherArgs)) :
      $.datepicker._attachDatepicker(this, options);
  });
};

$.datepicker = new Datepicker(); // singleton instance
$.datepicker.initialized = false;
$.datepicker.uuid = new Date().getTime();
$.datepicker.version = "1.8.11";

// Workaround for #4055
// Add another global to avoid noConflict issues with inline event handlers
window['DP_jQuery_' + dpuuid] = $;

})(jQuery);
